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Fixed ratio and fixed interval behavior of severely and profoundly retarded subjects

✍ Scribed by Joseph E. Spradlin; Frederic L. Girardeau; Enrique Corte

Book ID
115964979
Publisher
Elsevier Science
Year
1965
Tongue
English
Weight
803 KB
Volume
2
Category
Article
ISSN
0022-0965

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Fixed-ratio and fixed-interval control o
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Squirrel monkeys were trained under fixed-ratio (FR) or fixedinterval (FI) schedules in which the reinforcer was the termination of auditory and visual stimuli associated periodically with the presentation of brief, electric shocks. Methylphenidate, at several doses, exerted selectively different ef