Online Statistical Analysis Resources – To learn about types of analysis, from t-tests to discriminant function analysis.UCLA: What statistical analysis should I use? (And how do I do them in SAS, Stata, or SPSS?).UCLA Seminar: Introduction to Power Analysis.
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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).International Association for the Evaluati on of Educational Achievement (IEA): data repository containing data, codebooks, syntax and technical documentation for a host of international surveys, including the TIMSS and PIRLS studies.
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