The American Institutes for Research (AIR) is a nonprofit, nonpartisan behavioral and social science research, evaluation, assessment, and technical assistance organization based in Washington, D.C. AIR was established in 1946 as a behavioral and social science research organization. AIR's mission is to conduct and apply the best behavioral and social science research and evaluation towards improving people's lives, with a special emphasis on the disadvantaged. AIR has more than 2,000 employees and offices across the United States and abroad.