TY  - GEN
AU  - Stafford,D
AU  - Branch,M N
TI  - Effects of step size and break-point criterion on progressive-ratio performance
SN  - 0022-5002
PY  - 1998///1124
KW  - Animals
KW  - Appetitive Behavior
KW  - physiology
KW  - Columbidae
KW  - Conditioning, Operant
KW  - Linear Models
KW  - Reinforcement Schedule
N1  - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S
UR  - https://doi.org/10.1901/jeab.1998.70-123
ER  -