title: Reinforcement is not enough: learned expectancies and infant behavior.
authors.affiliation: Department of Psychology, St. John's University.
authors.forename: J W
authors.initials: JW
authors.lastname: Fagen
mesh_terms: D002657:Child Development; D003216:Conditioning, Operant; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007858:Learning; D008297:Male; D012054:Reinforcement, Psychology