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ROC parameters in item and context recognition

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ROC parameters in item and context recognition

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Algarabel González, Salvador; Pitarque, Alfonso

Aquest document és un/a article, creat/da en: 2007

Conflicting theories argue that recognition is achieved either by familiarity exclusively, or by a mixtu- re of familiarity and recollection. We explore in three experiments the goodness of fit of both positions to experimental data in which context information is manipulated. In Experiments 1 and 2, we explore the availability of context information in recognition, testing the focus stimulus, its context, and their associative relation. In Experiment 3, participants were confronted with a plurality task in an attempt to force them to use the peripheral information in recognition. The results show that people acquire specific associative information, and although overall recognition performance was not affected by the use of context, receiver operating characteristic (ROC) analysis showed that people use a duality of processes in recognition.

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