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Publications by D J Spear

Cocaine and Food as Reinforcers: Effects of Reinforcer Magnitude and Response Requirement Under Second-Order Fixed-Ratio and Progressive-Ratio Schedules.

Journal of the Experimental Analysis of Behavior
Behavioral NeuroscienceExperimentalCognitive Psychology
1991English

Effects of Cocaine on Simple Reaction Times and Sensory Thresholds in Baboons.

Journal of the Experimental Analysis of Behavior
Behavioral NeuroscienceExperimentalCognitive Psychology
1994English

Related publications

Reinforcer and Ratio Requirement Effects in Concurrent Fixed-Interval Fixed-Ratio Schedules

Bulletin of the Psychonomic Society
1974English

Second-Order Fixed-Ratio Schedules

Psychonomic Science
1970English

Response-Dependent Shock in Second-Order Fixed-Ratio Schedules of Food Presentation1

Journal of the Experimental Analysis of Behavior
Behavioral NeuroscienceExperimentalCognitive Psychology
1975English

Determinants of Pausing Under Variable-Ratio Schedules: Reinforcer Magnitude, Ratio Size, and Schedule Configuration

Journal of the Experimental Analysis of Behavior
Behavioral NeuroscienceExperimentalCognitive Psychology
1988English

The Effects of Brief-Stimulus Presentations in Fixed-Ratio Second-Order Schedules

Journal of the Experimental Analysis of Behavior
Behavioral NeuroscienceExperimentalCognitive Psychology
1981English

Comparison of Drug Effects on Fixed-Ratio Performance and Chain Performance Maintained Under a Second-Order Fixed-Ratio Schedule.

Journal of the Experimental Analysis of Behavior
Behavioral NeuroscienceExperimentalCognitive Psychology
1985English

Molar Optimization Versus Delayed Reinforcement as Explanations of Choice Between Fixed-Ratio and Progressive-Ratio Schedules.

Journal of the Experimental Analysis of Behavior
Behavioral NeuroscienceExperimentalCognitive Psychology
1987English

Choice Between Sequences of Fixed-Ratio Schedules: Effects of Ratio Values and Probability of Food Delivery.

Journal of the Experimental Analysis of Behavior
Behavioral NeuroscienceExperimentalCognitive Psychology
1987English

Comparison of Fixed-Ratio and Progressive-Ratio Schedules of Maintenance of Stimulant Drug-Reinforced Responding

Drug and Alcohol Dependence
PsychiatryToxicologyMental HealthPharmacology
1985English

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