Research article summary:

Human causality judgments and response rates on DRL and DRH schedules of reinforcement.

Abstract Extract:
The effect of various relationships between a response (an investment made in the context of a game) and an outcome (a return on the investment) on judgments of the causal effectiveness of the response was examined. In Experiment 1, response rates and ... (Full abstract text below)

Published 2003May in Journal: Learn Behav (Language : eng)

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1. Learn Behav. 2003 May;31(2):205-11

Human causality judgments and response rates on DRL and DRH schedules of reinforcement.

Reed P

Department of Psychology, University College London, London, England. p.reed@ucl.ac.uk

The effect of various relationships between a response (an investment made in the context of a game) and an outcome (a return on the investment) on judgments of the causal effectiveness of the response was examined. In Experiment 1, response rates and causal judgments were higher for a differential-reinforcement-of-high-rate (DRH) schedule relative to a variable-ratio (VR) schedule with the same probability of outcome following a response. Response rates were also higher for a DRH than for a variable-interval schedule matched for reinforcement rate. In Experiment 2, response rates and causal judgments were lower for a differential-reinforcement-of-low-rate schedule relative to a VR schedule with the same probability of outcome following a response. These results corroborate the view that schedules are a determinant of both response rates and causal judgments, and that few current theories of causal judgment explicitly predict this pattern of results.

PMID : 12882379 [PubMed - Indexed for MEDLINE]

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Full Author Information

First Name	LastName	Initials
Phil	Reed	P

Affiliation: Department of Psychology, University College London, London, England. p.reed@ucl.ac.uk

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Keywords in this article:

causal, context, corroborate, current, determinant, differential, drh, effect, effectiveness, examined, experiment, explicitly, few, following, game, higher, interval, investment, judgments, lower, matched, outcome, pattern, predict, probability, rates, ratio, reinforcement, relationships, relative, response, results, return, same, schedule, schedules, theories, variable, view, vr

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