Joseph Lee Rodgers III (born February 9, 1953)[2] is an American psychologist who specializes in quantitative psychology and topics in developmental psychology and social biology.
He is the Lois Autrey Betts Professor of Psychology and Human Development Emeritus at Vanderbilt University, and he is also the George Lynn Cross Research Professor Emeritus at the University of Oklahoma, where he taught from 1981 to 2012.
He received his Ph.D. in quantitative psychology from the University of North Carolina at Chapel Hill in 1981, with a minor in biostatistics.
His dissertation was on the effects of family configuration on mental development.
[3] His substantive research has focused on topics such as the relationship between birth order and human intelligence,[4][5] as well as adolescent risk behaviors, like sexual activity and drug use.