Ralph W. Richards

Affiliations: 
Psychology Colorado State University, Fort Collins, CO 
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"Ralph Richards"

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Mark Earl Rilling grad student 1971 Michigan State
 (REINFORCEMENT DELAY: SOME EFFECTS ON BEHAVIORAL CONTRAST)
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Quirk PL, Richards RW, Avery DD. (2001) Subchronic cocaine produces training paradigm-dependent learning deficits in laboratory rats. Pharmacology, Biochemistry, and Behavior. 68: 545-53
Richards RW, Richardson DB. (1991) Delayed reinforcement: Effect of a brief signal on behavior maintained by a variable-ratio schedule Bulletin of the Psychonomic Society. 29: 543-546
Bowers RL, Harris-Peterson M, Mollenhauer MS, et al. (1990) Bombesin improves rats' operant responding maintained by a differential-reinforcement-of-low-rates schedule of food reinforcement. Psychological Reports. 66: 131-8
Bowers RL, Richards RW. (1990) Pigeons' short-term memory for temporal and visual stimuli in delayed matching-to-sample Animal Learning & Behavior. 18: 23-28
Bowers RL, Richards RW. (1990) Dual-Element Effects in Pigeons’ Matching-to-Sample with Temporal and Visual Stimuli Psychological Record. 40: 259-271
Richards RW. (1986) Delayed reinforcement and pigeons’ performance on a one-key matching-to-sample task Bulletin of the Psychonomic Society. 24: 85-87
Bowers RL, Richards RW. (1986) Generalization gradients following training on a symbolic matching-to-sample task Animal Learning & Behavior. 14: 51-56
Richards RW, Sargent DM. (1983) The order of presentation of conditioned stimuli during extinction Animal Learning & Behavior. 11: 229-236
Marcattilio AJ, Richards RW. (1981) Preference for signaled versus unsignaled reinforcement delay in concurrent-chain schedules. Journal of the Experimental Analysis of Behavior. 36: 221-9
Richards RW. (1981) A comparison of signaled and unsignaled delay of reinforcement. Journal of the Experimental Analysis of Behavior. 35: 145-52
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