![]() UCLA: What statistical analysis should I use? (And how do I do them in SAS, Stata, or SPSS?). ![]() UCLA Seminar: Introduction to Power Analysis.Free Tool: Lenth’s Power and Sample Size Calculator (can use online).Sample Size Calculation and Power Analysis Social-Personality Psychology Questionnaire Instrument Compendium (QIC): listing of instruments in the public domain, capturing 100+ constructs.Buros Institute of Mental Measurements – Test Reviews Online: validity and reliability information on over 3,500 commercially available tests.ETS – Test Collection: database of more than 25,000 tests and other measurement devices, most of which were created by authors outside of ETS.Substance Abuse and Mental Health Data Archive: data repository for substance abuse and mental health research data.UNESCO Institute for Statistics – Data Centre: database containing raw data on education, literacy, science and technology, culture and communication for more than 200 countries and territories.General Social Survey: sociological survey used to collect data on demographic characteristics and attitudes of residents of the United States beginning in 1972.Organization for Economic Co-operation and Development (OECD) – Stat Extracts: data repository for international datasets pertaining to various development topics, from agriculture to education.National Center for Education Statistics (NCES) - Surveys: links to national and international education-related data collected by the United States government.National Center for Education Statistics (NCES) - Data Tools: tools to find publicly available information and data for colleges, school districts, schools and libraries.Inter-university Consortium for Political and Social Research (ICPSR database): data repository containing more than 500,000 digital files on various social and political issues.National Center for Education Statistics: data repository containing datasets, codebook and syntax files for large-scale, longitudinal education surveys.Programme for International Student Assessment (PISA): data repository containing datasets, codebooks and technical documentation for the international PISA survey, conducted by the Organisation for Economic Cooperation and Development (OECD).Teaching and Learning International Survey (TALIS): data repository containing datasets, codebooks, syntax and technical documentation for the TALIS survey, conducted by the Organisation for Economic Cooperation and Development (OECD). ![]()
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