title: A unified theory for psychologists?
authors.affiliation: Department of Psychology, Pennsylvania State University, University Park, PA 16802-3106, Electronic mail: cvy@psuvm.bitnet.
authors.forename: R A
authors.initials: RA
authors.lastname: Carlson
authors.affiliation: Department of Psychology, Pennsylvania State University, University Park, PA 16802-3106, Electronic mail: cvy@psuvm.bitnet.
authors.forename: M
authors.initials: M
authors.lastname: Detweiler