共 50 条
- [25] EFFECTS OF INSTRUCTIONS AND INITIAL REINFORCEMENT ON FIXED-INTERVAL BEHAVIOR IN RETARDATES AMERICAN JOURNAL OF MENTAL DEFICIENCY, 1963, 68 (03): : 425 - 432
- [29] PERFORMANCE OF RATS UNDER CONCURRENT FIXED-INTERVAL SCHEDULES OF NEGATIVE REINFORCEMENT BEHAVIOUR ANALYSIS LETTERS, 1981, 1 (05): : 297 - 304