TY - GEN AU - HILL,W F AU - SPEAR,N E TI - Extinction in a runway as a function of acquisition level and reinforcement percentage SN - 0022-1015 PY - 1998///1101 KW - Extinction, Psychological KW - Humans KW - Learning KW - Reinforcement, Psychology N1 - Publication Type: Journal Article UR - https://doi.org/10.1037/h0046941 ER -