Fixed interval behavior in mixed and multiple schedules with alternating fixed interal-fixed ratio components
نویسندگان
چکیده
منابع مشابه
Effects of d-amphetamine on performance under several parameters of multiple fixed-ratio, fixed-interval schedules.
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Three experiments studied timing in rats on 2-valued mixed-fixed-interval schedules, with equally probable components, Fixed-Interval S and Fixed-Interval L (FI S and FI L, respectively). When the L:S ratio was greater than 4, 2 distinct response peaks appeared close to FI S and FI L, and data could be well fitted by the sum of 2 Gaussian curves. When the L:S ratio was less than 4, only 1 respo...
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Rats were trained on mixed-fixed-interval (FI) schedules, with component FIs of 30 and 60s. The probability of reinforcement according to FI 30s varied between conditions, across values of 0.1, 0.3, 0.5, 0.7 and 0.9. When response rate in the 60s intervals was measured, separate response peaks, one close to 30s, the other at 60s, could be identified when the probability of reinforcement at 30s ...
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We conducted three experiments to reproduce and extend Perone and Courtney's (1992) study of pausing at the beginning of fixed-ratio schedules. In a multiple schedule with unequal amounts of food across two components, they found that pigeons paused longest in the component associated with the smaller amount of food (the lean component), but only when it was preceded by the rich component. In o...
متن کاملConcurrent drinking by pigeons on fixed-interval reinforcement schedules.
Three experienced pigeons were exposed to at least ten consecutive 100-min sessions on each of three food-reinforced fixed-interval (FI) schedules: FI 50-sec, FI 100-sec and FI 200-sec. Water was freely available. Drinking was largely confined to the first third of each fixed interval, and the mean sessional water intake was directly related to the food-reinforcement rate for each animal. The a...
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ژورنال
عنوان ژورنال: Psychonomic Science
سال: 1964
ISSN: 0033-3131,2197-9952
DOI: 10.3758/bf03342844