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33. The concurrent reinforcement of two interresponse times: absolute rate of reinforcement. Shimp CP J Exp Anal Behav; 1970 Jan; 13(1):1-8. PubMed ID: 16811423 [TBL] [Abstract][Full Text] [Related]
34. Effects of d-amphetamine on behavior maintained by signaled and unsignaled delays to reinforcement. Thomas LD; Hughes CE; Pitts RC Behav Processes; 2009 Jun; 81(2):264-9. PubMed ID: 19429220 [TBL] [Abstract][Full Text] [Related]
35. The reinforcement of short interresponse times. Shimp CP J Exp Anal Behav; 1967 Sep; 10(5):425-34. PubMed ID: 6050054 [TBL] [Abstract][Full Text] [Related]
36. Collateral responding during differential reinforcement of low rates. Zuriff GE J Exp Anal Behav; 1969 Nov; 12(6):971-6. PubMed ID: 16811422 [TBL] [Abstract][Full Text] [Related]
37. Interresponse time duration in fixed-interval schedules of reinforcement: control by ordinal position and time since reinforcement. Shull RL; Brownstein AJ J Exp Anal Behav; 1970 Jul; 14(1):49-53. PubMed ID: 16811456 [TBL] [Abstract][Full Text] [Related]
38. Response-rate differences in variable-interval and variable-ratio schedules: An old problem revisited. Cole MR J Exp Anal Behav; 1994 May; 61(3):441-51. PubMed ID: 16812732 [TBL] [Abstract][Full Text] [Related]