Using remember/know states of awareness to improve the eyewitness confidence-accuracy relationship

Abstract

ANOVA analyses in Part One confirmed the benefit of a 'remember' state of awareness accompanying retrieval to recall accuracy, across age. This advantage did not extend to recognition accuracy. Adults were more confident when they remembered an event, and CA resolution was good for central details they remembered. Children's CA resolution during recall was unaffected by their retrieval state or the detail reported. Remembering led to a strong CA correlation for peripheral details adults recognised, and central details children recognised. FOK predictive accuracy was above chance performance, in all age groups, and accompanied by a 'know' retrieval state.

ANOVA analyses in Part Two confirmed the benefits of a 'remember' pre-test instruction to recall accuracy across age, and adult recognition accuracy. The CA correlation responded to the centrality of the detail reported, rather than the 'remember' instruction, in all the experiments. Predictive FOK accuracy was above chance, and high for peripheral details children could not spontaneously recall. The data are discussed in relation to the Source Monitoring Framework and the utility of using a remember-based instruction to increase the quality of eyewitness reports and the reliability of their CA judgements.

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