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Davison, Michael; Baum, William M. – Journal of the Experimental Analysis of Behavior, 2010
Four pigeons were trained in a procedure in which concurrent-schedule food ratios changed unpredictably across seven unsignaled components after 10 food deliveries. Additional green-key stimulus presentations also occurred on the two alternatives, sometimes in the same ratio as the component food ratio, and sometimes in the inverse ratio. In eight…
Descriptors: Stimuli, Auditory Perception, Animals, Responses
McMillan, D. E.; Wessinger, William D.; Li, Mi – Journal of the Experimental Analysis of Behavior, 2009
Drugs with multiple actions can have complex discriminative-stimulus properties. An approach to studying such drugs is to train subjects to discriminate among drug combinations and individual drugs in the combination so that all of the complex discriminative stimuli are present during training. In the current experiments, a four-choice procedure…
Descriptors: Narcotics, Animals, Stimuli, Visual Stimuli
Podlesnik, Christopher A.; Jimenez-Gomez, Corina; Ward, Ryan D.; Shahan, Timothy A. – Journal of the Experimental Analysis of Behavior, 2009
Stimuli uncorrelated with reinforcement have been shown to enhance response rates and resistance to disruption; however, the effects of different rates of stimulus presentations have not been assessed. In two experiments, we assessed the effects of adding different rates of response-dependent brief stimuli uncorrelated with primary reinforcement…
Descriptors: Visual Stimuli, Intervals, Resistance to Change, Reinforcement
Stone, George C. – Percept Mot Skills, 1969
Descriptors: Behavioral Science Research, Cognitive Ability, Color, Intelligence
Odom, Richard D.; and others – Percept Mot Skills, 1970
Descriptors: Behavioral Science Research, Color, Deafness, Handicapped Children
Peer reviewed Peer reviewed
Tanck, Roland H. – Perceptual and Motor Skills, 1970
Descriptors: Anxiety, Behavior Patterns, Behavioral Science Research, College Students
Miller, Adam; Swan, John – Psychol Rep, 1970
Descriptors: Behavioral Science Research, College Students, Color, Discrimination Learning
Gramza, Anthony F.; Witt, Peter A. – Percept Mot Skills, 1969
Descriptors: Attitudes, Behavior Patterns, Behavioral Science Research, Color
Peer reviewed Peer reviewed
Nourse, James C.; Welch, Robert B. – Perceptual and Motor Skills, 1971
Descriptors: Arousal Patterns, Behavioral Science Research, College Students, Color
Peer reviewed Peer reviewed
Hopson, Julie; And Others – Perceptual and Motor Skills, 1971
Descriptors: Affective Behavior, Attitudes, Behavior Patterns, Behavioral Science Research
Peer reviewed Peer reviewed
Bernstein, Ira H.; And Others – Perceptual and Motor Skills, 1971
Descriptors: Affective Behavior, Auditory Perception, Behavior Patterns, Behavioral Science Research
Peer reviewed Peer reviewed
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Odum, Amy L.; Ward, Ryan D. – Journal of the Experimental Analysis of Behavior, 2004
Recent experiments suggest that the effects of drugs of abuse on the discrimination of the passage of time may differ for experimenter-imposed and subject-produced events. The current experiment examined this suggestion by determining the effects of morphine on the discrimination of interresponse times (IRTs). Pigeons pecked a center key on a…
Descriptors: Responses, Drug Abuse, Intervals, Animals
Peer reviewed Peer reviewed
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Shahan, Timothy A.; Lattal, Kennon A. – Journal of the Experimental Analysis of Behavior, 2005
Two experiments with pigeons examined the effects of unsignaled, nonresetting delays of reinforcement on responding maintained by different reinforcement rates. In Experiment 1, 3-s unsignaled delays were introduced into each component of a multiple variable-interval (VI) 15-s VI 90-s VI 540-s schedule. When considered as a proportion of the…
Descriptors: Reinforcement, Delay of Gratification, Resistance to Change, Animals
Berry, Franklin M.; Baumeister, Alfred A. – Psychol Rep, 1970
Descriptors: Behavioral Science Research, Color, Cues, Intermediate Grades
Peer reviewed Peer reviewed
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Campbell, Una C.; Winsauer, Peter J.; Stevenson, Michael W.; Moerschbaecher, Joseph M. – Journal of the Experimental Analysis of Behavior, 2004
The present study investigated the effects of positive and negative GABA[subscript A] modulators under three different baselines of repeated acquisition in squirrel monkeys in which the monkeys acquired a three-response sequence on three keys under a second-order fixed-ratio (FR) schedule of food reinforcement. In two of these baselines, the…
Descriptors: Accuracy, Language Acquisition, Multivariate Analysis, Animals
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