Using confidence ratings to identify a target among foils

James Sauer, Neil Brewer, Nathan Weber

    Research output: Contribution to journalArticle

    9 Citations (Scopus)

    Abstract

    Sauer, Brewer, and Weber (2008) advanced a novel procedure for testing eyewitness recognition memory. Rather than providing a single decision (i.e., identifying a lineup member or rejecting the lineup as a whole), participants rated their confidence that each lineup member was the culprit. Classification algorithms determined when patterns of confidence ratings indicated suspect guilt or innocence. Across varied test stimuli, confidence-based classifications equalled or out-performed single decisions. However, Sauer et al.'s classification criteria were designed to optimize performance for the data to which they were applied. If effective classification using confidence ratings requires such idiosyncratic criteria, the applied utility of the confidence procedure is nil. We re-analysed the data from Sauer et al.'s two identification experiments and demonstrated that confidence-based classification performance exceeding that of a traditional lineup task did not depend on uniquely developed classification criteria. Confidence-rating lineups offer a potentially promising alternative to procedures requiring single decisions from witnesses.

    Original languageEnglish
    Pages (from-to)80-88
    Number of pages9
    JournalJournal of Applied Research in Memory and Cognition
    Volume1
    Issue number2
    DOIs
    Publication statusPublished - 2012

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