TY - GEN AU - Lattal,K A TI - Reinforcement contingencies as discriminative stimuli: II. Effects of changes in stimulus probability SN - 0022-5002 PY - 1979///0611 KW - Animals KW - Color Perception KW - Columbidae KW - Discrimination Learning KW - Reinforcement Schedule N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1901/jeab.1979.31-15 ER -