Secondary reinforcement as a suppressor of rate of responding in the free operant situation.
1962 ◽
Vol 55
(6)
◽
pp. 1016-1019
◽
1968 ◽
Vol 27
(3_suppl)
◽
pp. 1071-1074
◽
Keyword(s):
1964 ◽
Vol 19
(3)
◽
pp. 927-934
◽
1972 ◽
Vol 81
(2)
◽
pp. 315-319
◽
1985 ◽
Vol 11
(3)
◽
pp. 231-245
1967 ◽
Vol 24
(1)
◽
pp. 75-82
◽