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Self-published

Mobile Game Addiction and Academic Achievement among Senior High School Students: A Convergent Mixed-Methods Study in a Philippine Public School (ICPSR 309017)

Released/updated on: 2026-07-30
Geographic coverage: Philippines
Time period: 2023-01-01--2024-12-31

Abstract

This study employed a Convergent Mixed-Methods Design to examine how mobile gaming influences students’ behaviour, study habits, physical well-being, and academic obligations within a senior high school educational context. The quantitative component involved 58 Grade 11 students from Section X in the Philippines who answered a 10-item Likert-scale survey assessing gaming habits, academic distractions, sleep problems, physical symptoms, and coping strategies. Data were analyzed using weighted means, frequency distributions, and Pearson’s correlations. The qualitative component consisted of semi-structured interviews with ten purposively selected participants. The thematic analysis revealed three major themes: (1) gaming for enjoyment and escape, (2) physical discomfort and sleep loss, and (3) difficulty managing academic responsibilities alongside failed attempts at self-regulation. Findings indicated that greater gaming involvement was associated with reduced focus, sleep deprivation, decreased motivation, and neglect of academic tasks. Quantitative results revealed a moderate negative relationship between mobile game addiction and academic performance (r = −.52, p < .001). Qualitative narratives further explained how sleep loss, cognitive fatigue, and reinforcement-driven habits contributed to academic disengagement despite students’ awareness of negative consequences. The study highlights the importance of digital literacy programs, structured guidance interventions, and school-based strategies that promote responsible gaming habits and academic self-regulation among learners.

Author Biography

Mhel Cedric D. Bendo, Polytechnic University of the Philippines

Mhel Cedric D. Bendo is a student researcher specializing in educational psychology, curriculum and instruction, educational measurement and evaluation, psychometrics, educational technology, and business and financial technology (FinTech). He is pursuing a Bachelor of Science in Entrepreneurship at the Polytechnic University of the Philippines. As of 2026, he is a member of the Editorial Board of SIAR Publications, an Editorial Board Member of the International Journal of Multidisciplinary Research and Exploration (IJMRE), and an Editorial Board Member and Review and Technical Committee Member of the International Journal of Advanced Multidisciplinary Application (IJAMA), where he contributes to peer review, subject-area feedback, manuscript evaluation, and research assessment. He also serves as a Technical Editor for the Journal of Student-Run Clinics (JSRC), contributing to editorial review processes and the technical evaluation of submitted manuscripts. He is an invited peer reviewer for international peer-reviewed journals, including Cogent Education (Taylor & Francis), a peer-reviewed journal published by a leading global academic publisher, contributing to the evaluation of scholarly work in education and interdisciplinary research. His reviewing contributions cover education, psychology, artificial intelligence in education, educational technology, educational evaluation, interdisciplinary undergraduate research, health education, business, and entrepreneurship, including journals indexed in Web of Science (ESCI), Scopus (Q1–Q3), ERIC, and DOAJ.

Self-published

R2/R1-Integrating an AAC Literacy Feature into Shared Storybook Reading for Autistic Children Who Need or Rely on AAC (ICPSR 249894)

Released/updated on: 2026-06-11
Time period: 2023-03-01--2023-07-31
Literacy skills are essential to allow for full participation in life as well as communication autonomy for people who use AAC. Functional literacy skills are built upon a variety of formative skills, one of which is letter-sound correspondence knowledge, or knowing the sounds each letter makes. The current preliminary study evaluated an AAC technology feature designed to support learning letter-sound correspondence skills. The study used a multiple probe across participants design. Five autistic nonspeaking children (ages 5-10) and one child with Costello syndrome who used AAC and had autism-like characteristics (age 5) participated. All participants were emerging language learners. No participants had preexisting literacy skills. Results suggest the participants made modest gains in recognizing target letter sounds after interacting using the AAC app with the literacy supportive feature, though performance was highly variable. The study’s results show preliminary evidence that the feature can support emerging language learners in learning letter-sound correspondence knowledge, though access to formal instruction is still critical.
Self-published

Mapping Language Literacy At Scale: A Case Study on Facebook (ICPSR 300445)

Released/updated on: 2025-12-15
Time period: 2020-04-20--2020-05-20

Literacy is one of the most fundamental skills for people to access and navigate today’s digital environment. This work systematically studies the language literacy skills of online populations for more than 160 countries and regions across the world, including many low-resourced countries where official literacy data are particularly sparse. Leveraging public data on Facebook, we develop a population-level literacy estimate for the online population that is based on aggregated and de-identified public posts written by adult Facebook users globally, significantly improving both the coverage and resolution of existing literacy tracking data. We found that, on Facebook, women collectively show higher language literacy than men in many countries, but substantial gaps remain in Africa and Asia. Further, our analysis reveals a considerable regional gap within a country that is associated with multiple socio-technical inequalities, suggesting an “inequality paradox” – where the online language skill disparity interacts with offline socioeconomic inequalities in complex ways. These findings have implications for global women’s empowerment and socioeconomic inequalities.

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The Women's Employment Study, Genesee County, Michigan, 1997-2004 (ICPSR 37077)

Released/updated on: 2025-10-16
Geographic coverage: United States, Michigan
Time period: 1997-01-01--1998-12-31, 1998-01-01--1999-12-31, 1999-01-01--2000-12-31, 2001-01-01--2002-12-31, 2003-01-01--2004-12-31

The Women's Employment Study, or "WES" combined the insights of poverty researchers, epidemiologists, and social workers by analyzing the ways in which a broad range of labor market, mental health, physical health, and family problems affect a welfare recipient's ability to obtain and retain employment over time.

WES initially began in the Fall of 1997, and five waves of the survey were completed by early 2004, with a high proportion of the original panel sample retained throughout the study.

The unique aspects of WES rest largely with the broad range of barriers it measures, and the longitudinal nature of the study that allows researchers to look at employment and welfare experiences over time.

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National Study of Tolerance and Political Ideology, 1973 (ICPSR 8487)

Released/updated on: 2025-09-17
Geographic coverage: United States
Time period: 1973-03-01--1973-05-31
Tolerance for nonconformity within the general public and among civic leaders was investigated in this survey, providing correlates between ideology and political tolerance. Respondents were first queried for awareness of and opinions on a variety of social and political topics such as crime, taxes, left- and right-wing radical politics, women in politics, school integration, drugs, and welfare. Further questions addressed opinions on free speech, authority, and knowledge and attitudes regarding communism and fascism. Background information includes newspaper, magazine, and book readership, hours of television watched, political alignment, religious attitudes, and organizational memberships. Demographic data such as age, educational attainment, employment, and ethnic background are also provided.
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Efficacy of the BrightStart! Program for Promoting Emergent Literacy Skills of PreKindergarten Children at Risk for Reading Difficulties, Ohio, 2016-2020 (ICPSR 38663)

Released/updated on: 2025-09-10
Geographic coverage: United States, Ohio
Time period: 2016-08-01--2020-11-30

The Nemours BrightStart! (NBS!) study was a randomized controlled trial of the Nemours BrightStart! (NBS!) program. It was implemented as a small-group intervention to promote the emergent literacy skills of prekindergarten (PreK) children at risk for reading difficulties.

In this project, the researchers studied short- and long- term impacts of NBS!, including whether it reduced the reading achievement gap. Study participants included three sequential cohorts of teachers and children, and consisted of classrooms from state and local prekindergarten programs.

Classrooms were randomly assigned to one of the three study conditions:

  • NBS! teacher implemented (in which the classroom teacher provided treatment)
  • NBS! community aide implemented (in which treatment was provided by a community aide)
  • business-as-usual control.

The study involved 290 children with full battery of assessments (plus 281 children with a partial battery) enrolled in 98 prekindergarten classrooms. Data were collected from 2016-2020.

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Evaluation of the Strategic Adolescent Reading Intervention (STARI), United States, 2020-2022 (ICPSR 39117)

Released/updated on: 2024-08-29
Geographic coverage: United States
Time period: 2020-01-01--2022-12-31, 2022-04-01--2022-06-30
Evaluation of the Strategic Adolescent Reading Intervention (STARI) is a year-long supplemental reading intervention that is intentionally designed to address the motivational barriers of middle school students who are reading below grade level. STARI is intended to be used for a full class period (45 minutes minimum), at least three days a week, in addition to regular English Language Arts. STARI has a Tier 1 (strong) Every Student Succeeds Act (ESSA) evidence rating based on a student-level randomized experiment conducted in school year 2013-14 in a northeastern state. To explore the replicability of these results, the effect of STARI was evaluated in 11 middle schools in two urban school districts in school year 2021-22, a school year when instruction was still periodically disrupted by the COVID-19 pandemic. Eligible students were randomly assigned to the STARI class (n=215) or to a business-as-usual elective or reading class at their school (n=183). Students' English Language Arts (ELA) state test scores and their course marks at the end of the program year were obtained from school districts, and students' reading skills and reading motivation and self-efficacy were measured using a reading assessment and survey administered in Spring 2022. This evaluation of STARI was funded by an Education and Innovation and Research (EIR) mid-phase grant from the US Department of Education.
Self-published

Does Early Elementary Dual Language Instruction Deliver as Promised? (ICPSR 201445)

Released/updated on: 2024-05-02
Geographic coverage: Utah, United States
Time period: 2014-01-01--2018-12-31
Utilizing Utah state data, the aim of this study is to examine the association between language program types programs (dual language programs [DLI], sheltered instruction [SEI], and English as a second language [ESL]) since first grade and third-grade basic literacy skills of Spanish-speaking English learners (ELs) in the U.S. We employ propensity score matching (PSM) to generate matched samples using child and family factors known to be associated with children’s early literacy: child sex, immigrant status, unhoused status, special education status, child met DIBELS benchmark at start of first grade, as well as family income and parental language (DLI & ESL, n = 380; DLI & SEI, n = 380; SEI & ESL, n = 550). Regression models comparing early literacy outcomes for each matched group indicate small trends, based on effect sizes, in favor of DLI programs when compared to other program types, although differences were not statistically significant. Implications for policy and practice related bilingual education are addressed.
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Evaluation of an Expansion Strategy for the Assessment-to-Instruction Professional Support System, United States, 2018-2021 (ICPSR 38934)

Released/updated on: 2024-01-08
Geographic coverage: United States
Time period: 2018-06-01--2021-06-01

The study's primary goal is to assess whether a mixed-mode professional development (PD) model that combines virtual and in-person delivery of PD activities can serve as a viable alternative to the original face-to-face delivery approach in supporting teachers' use of the Assessment-to-Instruction (A2i) system, facilitating their implementation of differentiated small-group instruction, and improving students' reading skills in a large, diverse set of schools.

There are three datasets for this study:

  • A school-level dataset that includes information collected about the 59 schools in the study. School-level information was collected from the 2017-2018 Common Core of Data provided by the National Center of Education Statistics, the 2017-2018 Civil Rights Data Collection provided by the Office of Civil Rights, and school-level reading achievement data during the 2017-2018 school year, provided by state education departments. To maintain anonymity of schools, we excluded any publicly available data about school characteristics from the dataset. In Table 3 in the study report, which compares the study schools to public elementary schools nationally, the national sample includes all public, regular elementary schools serving students in any of Grades K, 1, 2, or 3 that are not charter, magnet or virtual schools.
  • A teacher-level dataset that includes teachers in the analysis sample (i.e. teachers in Grades K-1 in the 2017-2018 school year, expanding to Grades K-3 in the 2020-2021 school year). This dataset includes responses to the two teacher surveys administered in 2019 and 2021, information about teacher usage of the A2i platform, and the number of PD events attended by each teacher in 2019-2020 and 2020-2021.
  • A student-level dataset that includes all information used for the student-level analysis, including student demographic from district records and student achievement data from A2i assessments, Gates-MacGinitie Reading Tests administered in the spring of 2019, and state/district reading tests administered in the spring of 2021.
Self-published

Accelerating Literacy for Adolescents (ALFA) Lab Regression Discontinuity Evaluation (ICPSR 190621)

Released/updated on: 2023-05-03
Geographic coverage: Alabama, United States, Connecticut, United States, New York, United States, California, United States, Louisiana, United States
Time period: 2019-07-01--2022-06-30
Many students from neighborhoods of concentrated poverty enter high school with underdeveloped reading skills, and skill gaps can create widespread achievement and engagement problems for students in high school, as well as college and career. The purpose of this project is to test the efficacy of ALFA (Accelerating Literacy for Adolescents) Lab, a one-semester extra-help small-group class that supports incoming 9th grade high school students who are poor readers. The evaluation project involved researchers using a regression discontinuity design to compare reading outcomes for three cohorts of students from schools across the United States who were just above or just below a test cutoff score used to assign students to the ALFA Lab. Researchers assessed students’ literacy outcomes at the beginning and the end of 9th grade, including the Star assessment for reading achievement and the Adaptive Reading Motivation Measure to assess student motivation to read.
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Massachusetts State Censuses, 1855-1915 (ICPSR 38179)

Released/updated on: 2022-03-09
Geographic coverage: United States, Massachusetts
Time period: 1855-01-01--1915-12-31
This is a compilation of the Massachusetts state censuses from 1855 to 1915. The results are given by state, county, and town. The references are taken from U.S. Department of Commerce, Bureau of the Census. U.S. Library of Congress, Reference Dept. State Censuses: an annotated bibliography of censuses of population taken after the year 1790 by States and Territories of the United States. Prepared by Henry J. Dubester, Chief, Census Library Project, Library of Congress. Washington, U.S. Government Printing Office, 1948. There was a special tabulation of the 1880 U.S. Census for Massachusetts with detailed town-level data. The state censuses of 1855, 1865, 1875, 1885, 1895, 1905, and 1915 are covered. The state census of 1925 had more limited information and was not included.
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Public Libraries in the United States Survey, 2016-2018 (ICPSR 37992)

Released/updated on: 2021-10-07
Geographic coverage: District of Columbia, United States, Guam, Virgin Islands of the United States, American Samoa, Northern Mariana Islands
Time period: 2016-01-01--2016-12-31, 2017-01-01--2017-12-31, 2018-01-01--2018-12-31

The Public Libraries Survey (PLS) is a voluntary census of public libraries conducted annually by the Institute of Museum and Library Services (IMLS). The Fiscal Year (FY) 2016, 2017, and 2018 surveys are the 28th, 29th, and 30th in the series, respectively. The American Institutes for Research (AIR) served as the data collection agent for all three surveys.

The PLS data files include all public libraries identified by state library administrative agencies in the 50 states, the District of Columbia and the outlying territories of American Samoa and Guam. The Northern Mariana Islands participated in FY 2017 and FY 2018, and the U.S. Virgin Islands participated in FY 2018. The reporting unit in each state or territory for the survey is the administrative entity (AE), defined as the agency that is legally established under local or state law to provide public library service to the population of a local jurisdiction. In this survey, the terms public library and public library system mean an AE. The AE may have a single outlet or multiple outlets. The term "outlet" refers to a library point of service, which may be a physical building, bookmobile, or a books-by-mail provider. Each PLS collected the following information:

  • Data from each public library, such as its name and address, population of legal service area, service outlets, collections, full-time-equivalent (FTE) staff, and operating revenue and expenditures (see Appendix F). These data were reported in the AE record.
  • State characteristics data, including the state total population estimate, the total unduplicated population of legal service areas for the state, and the state's reporting period start and end dates (see the survey questionnaire in Appendix F, items 100-103). Each state library administrative agency reported these data in the state characteristics record because they are not library-level data.
  • Data from each public library service outlet, such as its name and address, type, county location, square footage, public service hours per year, and number of weeks it is open (see Appendix F). These data were reported in the outlet record.

This data collection is useful to researchers, journalists, the public, and policymakers at the federal, state, and local levels. These data are used by federal, state and local officials, professional associations, and local practitioners for planning, evaluation, and policy making.

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Digital Scaffolding for English Language Arts, United States, 2016-2017 (ICPSR 37625)

Released/updated on: 2021-08-09
Geographic coverage: United States, California
Time period: 2016-08-01--2017-06-30

The Digital Scaffolding for English Language Arts project examines the effect of Visual Syntactic Text Formatting (VSTF) on reading and writing outcomes of 7th and 8th-grade students. VSTF is a technology which reformats text to facilitate reading comprehension. The study used a randomized control trial and was set in an urban school district.

The project considers both teachers and students in its implementation of VSTF within the classroom. Variables include demographics, classroom observations, survey responses, annual state assessment results and an end of the year on demand writing task.

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Health Reform Monitoring Survey, United States, Third Quarter 2016 (ICPSR 36842)

Released/updated on: 2019-06-27
Geographic coverage: United States
Time period: 2016-09-01--2016-11-30
In January 2013, the Urban Institute launched the Health Reform Monitoring Survey (HRMS), a survey of the nonelderly population, to explore the value of cutting-edge, Internet-based survey methods to monitor the Affordable Care Act (ACA) before data from federal government surveys are available. Topics covered by the 12th round of the survey (third quarter 2016) include self-reported health status, type of health insurance coverage, access to and use of health care, out-of-pocket health care costs, health care affordability, health insurance literacy, feelings of unfair treatment by doctors and other health care providers, experience with health insurance marketplaces, awareness of ACA provisions, and rating of neighborhood characteristics. Demographic information collected by the survey includes age, gender, sexual orientation, marital status, education, race, Hispanic origin, United States citizenship, housing type, home ownership, internet access, income, employment status, employer size, body mass index, and whether the respondent reported an ambulatory care sensitive condition or a mental or behavioral condition.
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Public Libraries in the United States Survey, 2015 (ICPSR 37119)

Released/updated on: 2018-08-20
Geographic coverage: District of Columbia, United States, Guam, American Samoa
Time period: 2015-01-01--2015-12-31

The Public Libraries Survey (PLS) provides statistics on the status of public libraries in the United States. It is a voluntary survey conducted annually by the Institute of Museum and Library Services (IMLS). The Fiscal Year (FY) 2015 survey is the 27th in the series.

The data files include all public libraries identified by state library administrative agencies in the 50 States, the District of Columbia, and the outlying areas of American Samoa and Guam. The reporting unit for the survey is the administrative entity, defined as the agency that is legally established under local or state law to provide public library service to the population of a local jurisdiction. In this survey, the term public library means an administrative entity.

For Fiscal Year 2015, IMLS collected the following information via a web-based survey for the PLS:

  • Library Data - Data on each public library, such as its name and address, population of legal service area, service outlets, collections, full-time-equivalent staff, and operating revenue and expenditures. State characteristics data, including the reporting period starting and ending dates, the state total population estimate, and the total unduplicated population of legal service areas for the state. These data are contained in dataset 1 and include 9,251 records; 9,231 were public libraries and 20 were administrative entities that closed or temporarily closed for FY 2015.
  • State Data - Each state library agency reported these data on the "State Characteristics" record because they are not library-level data. These data are in dataset 2 and include 53 records, one for each state and outlying area.
  • Outlet Data - Data on each public library service outlet, such as its name and address, type, county location, metropolitan status, square footage, public service hours per year, and number of weeks a library outlet is open. These data are in dataset 3 and include 17,408 total records. The file includes identifying information and a few basic data items for public library service outlets (central, branch, bookmobile, and books-by-mail-only outlets). The file includes 17,328 outlets in the 50 states and the District of Columbia, 8 outlets in the outlying areas, and 72 records for outlets that were reported as closed or were temporarily closed for FY 2015.

This data collection is useful to researchers, journalists, the public, and policymakers at the federal, state, and local levels. These data are used by federal, state and local officials, professional associations, and local practitioners for planning, evaluation, and policy making.

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Consumer Pyramids Survey, 2014 [India] (ICPSR 36782)

Released/updated on: 2017-12-20
Geographic coverage: India
Time period: 2014-01-01--2014-12-31

The Consumer Pyramids is the largest survey of households in India. The survey contains record-level data that are delivered in the form of population estimates. The survey contains multiple databases that contain population estimates on household demographics, household income and expenses, borrowing by household, and household assets. The data also contain individual-level health status, financial inclusion, education level, and caste and literacy estimates. Demographic information collected include gender, age, religion, education, and occupation.

Database Composition: The Consumer Pyramids Survey is conducted over the course of four-month periods or waves throughout the year totaling three rounds a year. This collection includes the following six databases: People of India; Household Income and Expenses; Household Amenities, Assets, and Liabilities; Household Expenses; Composition of Incomes at the member level; Composition of Incomes at the household level.

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Public Libraries in the United States Survey, 2014 (ICPSR 36783)

Released/updated on: 2017-05-12
Geographic coverage: District of Columbia, Puerto Rico, United States, Guam, Virgin Islands of the United States, American Samoa, Northern Mariana Islands
Time period: 2014-01-01--2014-12-31

The Public Libraries Survey (PLS) provides statistics on the status of public libraries in the United States. It is a voluntary survey conducted annually by the Institute of Museum and Library Services (IMLS). The Fiscal Year (FY) 2014 survey is the 26th in the series.

The data files include all public libraries identified by state library administrative agencies in the 50 States, the District of Columbia, and the outlying areas of American Samoa, Guam, the Northern Mariana Islands, Puerto Rico and the U.S. Virgin Islands. The reporting unit for the survey is the administrative entity, defined as the agency that is legally established under local or state law to provide public library service to the population of a local jurisdiction. In this survey, the term public library means an administrative entity.

For Fiscal Year 2014, IMLS collected the following information via a web-based survey for the PLS:

  • Library Data - Data on each public library, such as its name and address, population of legal service area, service outlets, collections, full-time-equivalent staff, and operating revenue and expenditures. State characteristics data, including the reporting period starting and ending dates, the state total population estimate, and the total unduplicated population of legal service areas for the state. These data are contained in dataset 1 and include 9,305 records; 9,295 were public libraries and 10 were administrative entities that closed or temporarily closed for FY 2014.
  • State Data - Each state library agency reported these data on the "State Characteristics" record because they are not library-level data. These data are in dataset 2 and include 56 records, one for each state and outlying area.
  • Outlet Data - Data on each public library service outlet, such as its name and address, type, county location, metropolitan status, square footage, public service hours per year, and number of weeks a library outlet is open. These data are in dataset 3 and include 17,566 total records, 17,492 are public library service outlets (central, branch, bookmobile, and books-by-mail-only outlets). The remaining 74 records are outlets that closed or temporarily closed for FY 2014.

This data collection is useful to researchers, journalists, the public, and policymakers at the federal, state, and local levels. These data are used by federal, state and local officials, professional associations, and local practitioners for planning, evaluation, and policy making.

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Public Libraries in the United States Survey, 2013 (ICPSR 36471)

Released/updated on: 2016-07-21
Geographic coverage: District of Columbia, Puerto Rico, United States, Guam, Virgin Islands of the United States, American Samoa, Northern Mariana Islands
Time period: 2013-01-01--2013-12-31

The Public Libraries Survey (PLS) provides statistics on the status of public libraries in the United States. It is a voluntary survey conducted annually by the Institute of Museum and Library Services (IMLS). The Fiscal Year (FY) 2013 survey is the 25th in the series.

The data files include all public libraries identified by state library administrative agencies in the 50 States, the District of Columbia, and the outlying areas of American Samoa, Guam, the Northern Mariana Islands, Puerto Rico and the U.S. Virgin Islands. The reporting unit for the survey is the administrative entity, defined as the agency that is legally established under local or state law to provide public library service to the population of a local jurisdiction.

For Fiscal Year 2013, IMLS collected the following information via a web-based survey for the PLS:

  • Library Data - Data on each public library, such as its name and address, population of legal service area, service outlets, collections, full-time-equivalent staff, and operating revenue and expenditures State characteristics data, including the reporting period starting and ending dates, the state total population estimate, and the total unduplicated population of legal service areas for the state. These data are contained in dataset 1 and include 9,309 records; 9,290 were public libraries and 19 were administrative entities that closed in or temporarily closed for FY 2012.
  • State Data - Each state library agency reported these data on the "State Characteristics" record because they are not library-level data. These data are in dataset 2 and include 56 records, one for each state and outlying area.
  • Outlet Data - Data on each public library service outlet, such as its name and address, type, county location, metropolitan status, square footage, public service hours per year, and number of weeks a library outlet is open. These data are in dataset 3 and include 17,554 total records, 17,463 are public library service outlets (central, branch, bookmobile, and books-by-mail-only outlets). The remaining 91 records are outlets that closed or temporarily closed for FY 2012.

This data collection is useful to researchers, journalists, the public, and policymakers at the federal, state, and local levels. These data are used by federal, state and local officials, professional associations, and local practitioners for planning, evaluation, and policy making.

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National Center for Research on Early Childhood Education Teacher Professional Development Study (2007-2011) (ICPSR 34848)

Released/updated on: 2016-04-12
Geographic coverage: United States
Time period: 2007-01-01--2011-12-31

The Professional Development Study (PDS) is a randomized controlled evaluation of two forms of professional development delivered to over 490 early childhood education teachers: (1) coursework on effective instructional interactions (as defined by the Classroom Assessment Scoring System [CLASS], an observational measure with established links to child outcomes) and (2) video-based consultation support through MyTeachingPartner (MTP). These professional development supports aim to improve teachers' implementation of language/literacy activities and interactions with children, as well as promote gains in children's social and academic development.

The questionnaires and measures used to gather the study data were initially compiled into 76 Raw-level files. The Raw-level data were in turn used by the research team at NCRECE to create 10 comprehensive Analysis-level files in order to avoid any inaccuracies that might result from incorrectly merging the Raw files. The Analysis-level files are organized by participant and phase of study. Whenever possible, Analysis files should be utilized instead of merging individual Raw files.

Additional information about this study can be found at the NCRECE web site.

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Improving Literacy Instruction for Adults: Reading Assessments from Adult Education Learners in Kansas and Missouri, 2005-2008 (ICPSR 34887)

Released/updated on: 2013-11-25
Geographic coverage: United States, Missouri, Kansas City (Missouri), Kansas
Time period: 2005-01-01--2008-12-31

The Improving Literacy Instruction for Adults study commenced in 2005 as a project of the University of Kansas Center for Research on Learning. Research for the project was undertaken with three aims: (1) to identify relationships among reading component skills and global literacy outcomes for adults with low literacy; (2) to design adult literacy interventions based on findings from the first aim (1); and (3) to examine the efficacy of these interventions on learner outcomes in authentic settings. This release contains descriptive datasets from the first aim; data related to the second and third aims will be made available in the future.

Initiation of the study involved the collection of reading assessments from volunteer participants at 13 adult education sites throughout Kansas and Kansas City, Missouri. Data were collected using a number of adult literacy evaluation methods, including but not limited to: General Educational Development (GED) tests, the Woodcock Reading Mastery Tests (WRMT), the Test of Silent Word Reading Fluency (TOSWRF), the Wechsler Adult Intelligence Scale (WAIS), the Test of Word Reading Efficiency (TOWRE), the Tests of Adult Basic Education (TABE), the Comprehensive Adult Student Assessment System (CASAS), the Peabody Picture Vocabulary Test (PPVT), the Comprehensive Test of Phonological Processing (CTOPP), the Gray Oral Reading Test (GORT), the Clinical Evaluation of Language Fundamentals (CELF), and the National Assessment of Educational Progress (NAEP).

Study participants also completed a background questionnaire designed to assess students' learning goals, motivations for seeking adult education classes, and any barriers or difficulties faced while pursuing adult education. Background questions also gathered demographic and personal information, including participant age, gender, ethnicity, language, education level, employment status and history, marital status, number of children, religious participation, health issues, and drug and alcohol abuse.

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The National Early Literacy Panel (NELP), 2002-2006 (ICPSR 27421)

Released/updated on: 2013-09-27
Geographic coverage: United States
Time period: 2002-01-01--2006-12-31

The National Early Literacy Panel (NELP) was convened in 2002 to conduct a synthesis of the scientific research on the development of early literacy skills in children ages zero to five. NELP met on 12 occasions between April 2002- February 2006. NELP's primary goal was to identify interventions, parenting activities, and instructional practices that promote the development of children's early literacy skills. Toward that end, the panel posed the following four questions:

  1. What are the skills and abilities of young children (age birth through five years or kindergarten) that predict later reading, writing, or spelling outcome?
  2. Which programs, interventions, and other instructional approaches or procedures have contributed to or inhibited gains in children's skills and abilities that are linked to later outcomes in reading, writing, or spelling?
  3. What environments and settings have contributed to or inhibited gains in children's skills and abilities that are linked to later outcomes in reading, writing, or spelling?
  4. What child characteristics have contributed to or inhibited gains in children's skills and abilities that are linked to later outcomes in reading, writing, or spelling?

NELP adopted a methodology that allowed for the identification and selection of published studies relevant to the panel's questions, a coding system that allowed for the combination and comparison of studies, and an appropriate method of statistical analysis. Approximately 500 research articles were used in the meta-analyses conducted by the panel. The meta-analyses summarized both correlational data showing the relationships between children's early abilities and skills and later literacy development and experimental data that showed the impact of instructional interventions on children's learning.

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Kentucky Professional Development Framework Impact on Quality and Child Outcomes, 2006-2007 (ICPSR 26341)

Released/updated on: 2010-12-16
Geographic coverage: United States, Kentucky
Time period: 2006-01-01--2007-12-31

In 2000, the Kentucky General Assembly passed historic early childhood legislation (Kentucky's KIDS [Kentucky Invests in Developing Success] NOW Initiative) of which a component included the development of a seamless professional development system. The professional development system includes core content, articulation, credentials, scholarships and a training framework. This comprehensive professional development system, along with other initiative components in assuring maternal and child health, supporting families, enhancing early care and education, and establishing a support structure, have moved the field of early childhood care and education forward in the state and improved child and family outcomes.

This study was designed to build on the KIDS NOW Initiative by conducting research investigating the degree to which a statewide unified professional development system impacted the educational level of early care and education providers and subsequent classroom quality. It focused on three major predictors of professional development outcomes:

  1. Individual teacher characteristics, including learning readiness, education (level and type), training experience, attitudes towards training, personality (conscientiousness, self-efficacy), job satisfaction (perceptions of support)
  2. Characteristics of the program administrator, including administrator education and administrator support of professional development
  3. Characteristics of the teacher's work setting, including program administration, and policies and procedures, and classroom setting (Child Care, Head Start, or Public Preschool)

The impact of these three predictors was measured on two major outcomes: (a) professional development outcomes, as measured by job status, learning and transfer of learning, and (b) organizational outcomes, as measured by program quality, child outcomes and staff retention.

The research questions guiding this research were focused on determining the degree to which (1) a unified professional development framework initiated at the state level results in positive child outcomes, and (2) the educational level of early care and education providers enhances the quality of classroom environments. Specifically:

  • What components of a professional development framework are more effective in encouraging and supporting individuals to remain in early care and education settings?
  • What components of a professional development framework are more effective in supporting early care and education professionals in enhancing classroom quality and child outcomes?
  • Are there specific factors that impact early care and education professionals' ability to participate in professional development activities at various levels?
  • Does the level and intensity of professional development experiences impact classroom quality and child outcomes?
  • What personnel factors have the highest impact on quality classroom environments and child outcomes?
  • What is the interaction between the personnel, professional development, and program variables on classroom quality and child outcomes?
Curated

Mexican-American Families in Los Angeles, 1844-1880 (ICPSR 7582)

Released/updated on: 2010-06-29
Geographic coverage: United States, Los Angeles, California
Time period: 1844-01-01--1880-12-31
This data collection contains two data files created from manuscript census returns. Part 1 is an aggregation of social characteristics of Spanish-surnamed and Mexican-born families in the city of Los Angeles from 1844-1880. The data were used to study family composition and socioeconomic mobility. Data items include real property held by head of household (1844, 1850, and 1880 missing), number of children in household, number of adults who were literate in household (no data for 1844), last name of head of household, place of birth of head of household, and occupational category (i.e., rancher or farmer, professional, mercantile, clerk, skilled, and unskilled). Part 2 is composed of data used to study the socioeconomic development of the Mexican-American community in Los Angeles. The main emphasis was on an analysis of literacy, occupational mobility, schooling, family structure, demographic changes, and property mobility. Data items include last name, first name, age, sex, occupational code, real property, personal property, place of birth, literacy, race, head of household, wife of head, child of head, parent of head, sibling of head, and common law spouse. Definitions of family types and discussion of the methodology and rationale used to generate the data in both files can be found in Appendix A of del Castillo, Richard Griswold. "La Raza Hispano Americana: The Emergence of an Urban Culture Among the Spanish Speaking of Los Angeles, 1850-1880." Ph.D. dissertation, University of California, Los Angeles, CA, 1974.
External data

International Data Base (IDB) (ICPSR 149)

Released/updated on: 2006-03-31
Geographic coverage: South America, Central America, Asia, Europe, Africa, North America
The International Data Base (IDB) is a computerized data bank containing statistical tables of demographic and socioeconomic data for many of the countries and areas of the world. The IDB was created in the United States Census Bureau's International Programs Center (IPC) and provides quick access to specialized information, with emphasis on demographic measures, for individual countries or selected groups of countries. The IDB combines data from country sources (especially censuses and surveys) with IPC's estimates and projections to provide information dating back as far as 1950 and as far ahead as 2050. The major types of data available in the IDB include: population by age and sex, vital rates, infant mortality, life tables, fertility and child survivorship, migration, marital status, family planning, ethnicity, religion, language, literacy, labor force, employment, income, and households.
Curated

United States Southern Cities in 1870 and 1880: A Study of Individuals and Families (ICPSR 7568)

Released/updated on: 2006-01-18
Geographic coverage: Charleston (South Carolina), Savannah, United States, Atlanta, Louisiana, New Orleans, Georgia, Alabama, Virginia, Mobile, South Carolina, Norfolk
Time period: 1870-01-01--1870-12-31, 1880-01-01--1880-12-31
This data collection contains individual-level and family-level information collected from the 1870 and 1880 manuscript schedules of the United States Population Census for seven Southern cities: Charleston, South Carolina, Richmond, Virginia, Atlanta, Georgia, Savannah, Georgia, Mobile, Alabama, Norfolk, Virginia, and New Orleans, Louisiana. Approximately 5,000 individuals and 1,500 families are represented for each of the two census years studied. Part 1 contains data for 1870, and Part 2 contains data for 1880. The data gathered for sampled individuals include age, sex, race, marital status, presence of health defect, school attendance, ability to read, ability to write, occupational classification (female and male), nationality, and real and personal wealth (for 1870 only). Both datasets include a variable that uniquely identifies each family in the sample to facilitate the aggregation of the data for the creation of family-level data for each member, e.g., sex, race, age, marital status, school attendance, member status in the family, occupation, health, unemployment, city of residence, nationality and parents' nationality, and real and personal wealth.
Curated

Puerto Rico Census Project, 1910 (ICPSR 4343)

Released/updated on: 2006-01-16
Geographic coverage: Puerto Rico, United States, Global
Time period: 1910-01-01--1910-12-31
The data comprising the Puerto Rico Census Project, 1910 contain individual and household records drawn from the 1910 Puerto Rican Population Census. The data include variables containing basic demographic information such as age, sex, race, marital status, number of children born and surviving, family size, place of birth, immigration status, county and neighborhood of residence, urban/rural status, and citizenship. The data also describe language proficiency, literacy, school attendance, and disabilities (blind or deaf) of the individuals. Other variables provide data on occupation, industry, ownership of residence, status of mortgage, and farm ownership. There are four classifications of variables belonging to this dataset: original input variables, coded variables, constructed variables, and quality flag variables. The original input variables contain the raw data collected by the enumerators. The coded variables are variables that were recoded by the University of Wisconsin Survey Center (UWSC) as part of the Puerto Rico Census Project. Constructed variables were produced by UWSC to capture additional relevant information. For example, one constructed variable measures literacy by combining separate variables containing data on whether the individual could read and if they could write. Finally, quality flag variables were created by UWSC to indicate whether it could be logically deduced that individual records had been hand edited by the Census Office.
Curated

Puerto Rico Census Project, 1920 (ICPSR 4344)

Released/updated on: 2006-01-16
Geographic coverage: Puerto Rico, United States, Global
Time period: 1920-01-01--1920-12-31
The data comprising the Puerto Rico Census Project, 1920 contain individual and household records drawn from the 1920 Puerto Rican Population Census. The data include variables containing basic demographic information such as age, sex, race, marital status, number of children born and surviving, family size, place of birth, immigration status, county and neighborhood of residence, urban/rural status, and citizenship. The data also describe language proficiency, literacy, school attendance, and disabilities (blind or deaf) of the individuals. Other variables provide data on occupation, industry, ownership of residence, status of mortgage, and farm ownership. There are four classifications of variables belonging to this dataset: original input variables, coded variables, constructed variables, and quality flag variables. The original input variables contain the raw data collected by the enumerators. The coded variables are variables that were recoded by the University of Wisconsin Survey Center (UWSC) as part of the Puerto Rico Census Project. Constructed variables were produced by UWSC to capture additional relevant information. For example, one constructed variable measures literacy by combining separate variables containing data on whether the individual could read and if they could write. Finally, quality flag variables were created by UWSC to indicate whether it could be logically deduced that individual records had been hand edited by the Census Office.
Curated

Social, Demographic, and Educational Data for France, 1801-1897 (ICPSR 48)

Released/updated on: 1992-02-16
Geographic coverage: Europe, France
Time period: 1801-01-01--1897-12-31
This data collection consists of 161 selected social, demographic, and educational datasets for France in the period 1801-1897. The data were collected from published reports of three national statistical series: (1) National Censuses, (2) Vital Statistics, and (3) Primary Education. This project was supported by grants from the National Endowment for the Humanities and the National Science Foundation. The National Census data were derived from the quinquennial population censuses of France from 1801 to 1896 and were obtained from the Statistique Generale de la France. The data provide detailed social and economic information for the period 1851 to 1896. The data for 1801-1851 are less rich in subject matter coverage but do present some basic information on population characteristics. The National Census data in general describe the population, including the composition of the population by categories of age, sex, place of birth, marital status, religion, place of residence, and occupation. There is also some limited information on migration, transportation and communication, housing, and families. A large segment of the census data pertains to occupations of the population, specifying job classifications within professions, as well as information on non-employed household members that were dependent on employees in the various industries, in addition to enumerations of persons employed in various professions and trades. The Vital Statistics data files contain annual vital statistics for the French population. These data were obtained from two printed series, MOUVEMENT DE LA POPULATION (1801-1868), and STATISTIQUE ANNUELLE (1869-1897). The basic variables included in the vital statistics datasets record births, deaths, and marriages in France. Detailed cross-tabulations of these demographic indicators are presented for births, tabulated by sex, month, legitimacy status, and characteristics of the parents, and deaths, categorized by age and previous marital status of the partners. Additional cross-tabulations are provided for variables such as divorces, passports issued, medical personnel and hospitals, and a literacy indicator (signing of marriage certificates). The Primary Education data files provide information on primary schools and were obtained from the Statistique de l'enseignement Primaire. The data obtained from the series basically cover the period 1829-1897, although some recapitulative information for earlier years is also presented. The main focus of the data in this series is on primary schools, classes and buildings, enrollment, teachers, sources of funding and expenditure, and academic proficiency of the pupils. Additional information is included on literacy, teacher training (normal) schools, school age population, and libraries. A machine-readable French language codebook, describing the data items as well as the sources from which they were obtained, is provided with each dataset supplied. In addition, lists of the variables included in each dataset are included in Parts 162-164. See the related collection, DEMOGRAPHIC, SOCIAL, EDUCATIONAL AND ECONOMIC DATA FOR FRANCE, 1833-1925 (ICPSR 7529).
Curated

Internal Colonialism Study: National Integration in the British Isles, 1851-1966 (ICPSR 7533)

Released/updated on: 1992-02-16
Geographic coverage: Great Britain, Ireland, Wales, England, United Kingdom, Scotland, Northern Ireland, Global
Time period: 1851-01-01--1966-12-31
This dataset contains census, election, and vital statistics data for 118 British and Irish counties for the period 1851 to 1966. The information was collected for use in a study of regional integration and development in Great Britain in the 19th and 20th centuries. Included are population indicators for each of the counties recorded at 11 points in time during the 115-year span (i.e., 1851, 1861, 1871, 1881, 1891, 1901, 1911, 1921, 1931, 1951, and 1961). Specific information includes indicators of population density and change, ethnic composition, proportion of election votes for Labour, Conservative, Liberal, and various nationalist parties, and proportion of population employed in areas such as agriculture, manufacturing, civil service, and (female) domestic work. Other data include number of Celtic speakers, literacy, religiosity, nativity (i.e., English-, Welsh-, Scottish-, Irish-, and French-born), sex ratio (female to male), birth rates, infant mortality rates, marriage rates, per capita income, and proportion of middle class.
Curated

International Data Base, February 1990 (ICPSR 8490)

Released/updated on: 1992-02-16
Geographic coverage: Global
This dataset contains information from tables of demographic, economic and social data for the countries of the world. Information presented includes population, health, nutrition, mortality, fertility, family planning and contraceptive use, literacy, housing, and economic activity data. Tabular data are broken down by such variables as age, sex, and urban/rural residence.
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