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Capaldi, Elizabeth D.; And Others – Journal of Experimental Psychology: Animal Behavior Processes, 1977
The negative-contrast effect occurs when animals that are shifted from large to small reward temporarily drop below small reward control groups. The basic question asked here in three experiments was whether animals tested under a specific drive level will behave as though they expect a reward magnitude previously received, depending on the reward…
Descriptors: Animal Behavior, Experimental Psychology, Experiments, Flow Charts
Peer reviewed Peer reviewed
Mikulka, Peter J.; And Others – Journal of Experimental Psychology: Animal Behavior Processes, 1977
Assesses the validity of physiological versus learning interpretations of illness-preexposure effects. (Author/RK)
Descriptors: Animal Behavior, Experimental Psychology, Experiments, Flow Charts
Peer reviewed Peer reviewed
Baker, A. G. – Journal of Experimental Psychology: Animal Behavior Processes, 1976
Demonstrates that preexposure to uncorrelated presentations of noises and shocks when rats are not permitted to respond interferes with the acquisition of both conditioned emotional response and signaled punishment suppression. (Author/RK)
Descriptors: Animal Behavior, Experimental Psychology, Flow Charts, Laboratory Experiments
Peer reviewed Peer reviewed
Stitt, Christopher L.; And Others – Journal of Experimental Psychology: Animal Behavior Processes, 1976
Investigates how the inhibition and latency-reduction effects interact with each other and how they change with changes in the intensity of the startle-eliciting stimulus. (Author/RK)
Descriptors: Animal Behavior, Auditory Stimuli, Experimental Psychology, Experiments
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Domjan, Michael; Levy, Carolyn J. – Journal of Experimental Psychology: Animal Behavior Processes, 1977
Experimenters in the past have reported that when insulin is used as the unconditioned stimulus (US), rats will learn an aversion to a sodium chloride but not a sucrose solution, whereas with formalin as the US, they will learn an aversion to a sucrose but not a saline solution. The present experiments failed to confirm these findings. (Editor)
Descriptors: Animal Behavior, Conditioning, Experimental Psychology, Experiments
Peer reviewed Peer reviewed
Best, Michael R.; Batson, John D. – Journal of Experimental Psychology: Animal Behavior Processes, 1977
These experiments investigate the degree to which neophobia, the reluctance to consume novel food, can be modified by toxicosis, the conditions under which the contingency between ingestion and illness enhances neophobia, and the manner in which previously learned aversions mediate subsequent enhanced neophobia. (Author/RK)
Descriptors: Animal Behavior, Eating Habits, Experimental Psychology, Experiments
Peer reviewed Peer reviewed
Leaton, Robert N. – Journal of Experimental Psychology: Animal Behavior Processes, 1976
Descriptors: Animal Behavior, Auditory Stimuli, Experimental Psychology, Experiments
Peer reviewed Peer reviewed
Heth, C. Donald – Journal of Experimental Psychology: Animal Behavior Processes, 1976
Four experiments examined the possibility that the outcome of simultaneous and backward fear conditioning procedures might depend upon the number of conditioned stimulus-unconditioned stimulus pairings. (Editor/RK)
Descriptors: Animal Behavior, Conditioning, Experimental Psychology, Fear
Peer reviewed Peer reviewed
Maier, Steven F.; Williams, Jon L. – Journal of Experimental Psychology: Animal Behavior Processes, 1977
These experiments are addressed specifically to the question of whether transituational transfer of immunizing and therapeutic effects will occur when these procedures involve responses and settings which are very different from those used in final testing. (Author/RK)
Descriptors: Animal Behavior, Conditioning, Experimental Psychology, Experiments