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Revista mexicana de análisis de la conducta

versión impresa ISSN 0185-4534

Resumen

TORRES, Carlos; VILLAMIL, Wilcen  y  CALLEROS, Karla. Effects of decreasing the probability and the availability of reinforcement in different length temporal schedules. Rev. mex. anál. conducta [online]. 2009, vol.35, n.spe, pp. 87-100. ISSN 0185-4534.

One study was conducted to evaluate the effect of varying the reinforcement probability and availability in a temporally-defined schedule. Twelve male albino Wistar rats were divided into three groups. Each group were exposed to a three experimental phases with reinforcement probability (p) set at 1.0, 0.5 and 0.1. Into every experimental phase, there were set four blocks of different reinforcement availability values (= 1.0, 0.5, 0.3, 0.1). The results suggest that response frequency decreased systematically with overall reinforcement probability. However, this effect seems to depend on T cycle duration. On the other hand, data shows a decrement function in percentages of water deliveries associated to decrements in water delivery availability (). These results are examined in relation to properties of temporally-defined schedules and the local distribution of water deliveries and responses.

Palabras llave : probability of reinforcement; availability of reinforcement; temporal schedules; cycle duration.

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