New York City Police Department. New York Police Department (NYPD) Stop, Question, and Frisk Database, 2006. ICPSR21660-v1. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2008-06-18. https://doi.org/10.3886/ICPSR21660.v1
Persistent URL: https://doi.org/10.3886/ICPSR21660.v1
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police citizen interactions,
search and seizure
Smallest Geographic Unit:
New York City,
New York (state),
Date of Collection:
Unit of Observation:
All street encounters between New York Police Department officers and citizens within New York City resulting in completion of NYPD form UF250 (Unified Form 250) during 2006.
administrative records data
Data Collection Notes:
At the request of the NYPD, several variables were removed from the original data file. These variables reflected notes made by NYPD officers during stop-question-frisk encounters, and thus contained potentially identifying information about officers and suspects.
Mode of Data Collection:
Presence of Common Scales:
Extent of Processing: ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of
disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major
statistical software formats as well as standard codebooks to accompany the data. In addition to
these procedures, ICPSR performed the following processing steps for this data collection:
Performed consistency checks.
Checked for undocumented or out-of-range codes.
Restrictions: This data collection may not be used for any purpose other than statistical reporting and analysis. Use of these data to learn the identity of any person or establishment is prohibited.