TY - GEN AU - Knapp,R K TI - Acquisition and extinction of avoidance with similar and different shock and escape situations SN - 0021-9940 PY - 1965///1211 KW - Animals KW - Avoidance Learning KW - Conditioning, Psychological KW - Electroshock KW - Extinction, Psychological KW - Rats N1 - Publication Type: Journal Article UR - https://doi.org/10.1037/h0022354 ER -