Does learning history shape the associability of outcomes? Further tests of the outcome predictability effect

Wei Liu, Evan J Livesey, Harald Lachnit, Hilary J Don and Anna Thorwart

PLOS ONE, 2020, vol. 15, issue 12, 1-28

Abstract: In recent years, several studies of human predictive learning demonstrated better learning about outcomes that have previously been experienced as consistently predictable compared to outcomes previously experienced as less predictable, namely the outcome predictability effect. As this effect may have wide-reaching implications for current theories of associative learning, the present study aimed to examine the generality of the effect with a human goal-tracking paradigm, employing three different designs to manipulate the predictability of outcomes in an initial training phase. In contrast to the previous studies, learning in a subsequent phase, when every outcome was equally predictable by novel cues, was not reliably affected by the outcomes’ predictability in the first phase. This lack of an outcome predictability effect provides insights into the parameters of the effect and its underlying mechanisms.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0243434

DOI: 10.1371/journal.pone.0243434

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