Substance Abuse and Mental Health Services Administration collects data through multiple sources and surveys to support a better understanding of mental illness and substance use disorders in America.
International consortium of 750+ academic and research organizations, Inter-university Consortium for Political and Social Research (ICPSR) provides data access, curation, and methods of analysis for social sciences research.
BJS publications, data tables, and press releases organized by topics: corrections, courts, crime, federal justice system, forensics, law enforcement, etc,
Datasets with instructional guides that give students a chance to learn data analysis by practicing themselves. Indexed by method and data type. Coverage dates: Current
International statistics and datasets; topics include criminal justice, politics, education, sociology, census, transportation, consumer behavior, and more. Coverage dates: 1970 - present
International and domestic statistics, infographics, and market data for a wide variety of topics including health and social sciences. Coverage dates: 2008 - present
Ready-to-use research instruments; wide variety of tests and measures including aptitude tests, personality scales, and cognitive functioning measures. Structured information on scope, test implementation, test development, and reliability and validity data. Coverage dates: 1910 - present
HaPI - User Guide (PDF)
Measurement instruments (i.e. questionnaires, interview schedules, checklists, coding schemes, rating scales, etc.) in the fields of medicine, nursing, public health, psychology, social work, communication, sociology, and organizational behavior/ human resources. Uses published peer-reviewed content.
Mental Measurements Yearbook contains full-text reviews of testing instruments in psychology, education, business and leadership. Coverage dates: 1938 - present.
Tests in Print is a comprehensive bibliography to all known commercially available tests that are currently in print in the English language.