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- [25] SOME PARAMETERS AFFECTING PERFORMANCE ON TANDEM FIXED-INTERVAL, FIXED-INTERVAL SCHEDULES PSYCHONOMIC SCIENCE, 1969, 17 (03): : 129 - &
- [28] THE EFFECT OF NONCONTINGENT FIXED-INTERVAL AND VARIABLE-INTERVAL REINFORCEMENT UPON SUBSEQUENT ACQUISITION OF THE FIXED-INTERVAL SCALLOP PSYCHONOMIC SCIENCE, 1965, 2 (09): : 261 - 262