TY - GEN AU - Williams,B A AU - Royalty,P TI - Conditioned reinforcement versus time to reinforcement in chain schedules SN - 0022-5002 PY - 1990///0627 KW - Animals KW - Appetitive Behavior KW - Color Perception KW - Columbidae KW - Discrimination Learning KW - Male KW - Mental Recall KW - Motivation KW - Reinforcement Schedule N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1901/jeab.1990.53-381 ER -