Study Search Results Your query returned 4 results. Series results are grouped under the most relevant study. You can ungroup series results. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded (?) Study Title/Investigator 1. Center for Research on Social Reality [Spain] Survey, May 1995: Old Age (ICPSR 6969) Centro de Investigaciones Sobre la Realidad Social (CIRES) 2. Knowledge, Attitudes, and Practice of Contraception in Taiwan: Fifth Province-Wide Fertility Survey (KAP V), 1979 (ICPSR 6866) Sun, Te-Hsiung; Chang, Ming-Cheng 5 more results in Knowledge, Attitudes, and Practice of Contraception in Taiwan (KAP) Series 3. National Social Life, Health, and Aging Project (NSHAP): Wave 1 (ICPSR 20541) Waite, Linda J.; Laumann, Edward O.; Levinson, Wendy; et al. 4. National Social Life, Health, and Aging Project (NSHAP): Wave 2 and Partner Data Collection (ICPSR 34921) Waite, Linda J.; Cagney, Kathleen; Dale, William; et al.