title: Delayed reinforcement and vocalization rates of infants.
mesh_terms: D000704:Analysis of Variance; D003216:Conditioning, Operant; D005108:Extinction, Psychological; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007858:Learning; D008297:Male; D012055:Reinforcement Schedule; D012054:Reinforcement, Psychology; D014705:Verbal Behavior