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Tupper et al PLOS ONE show ups and sequential dependencies.pdf (853.37 kB)

Showup identification decisions for multiple perpetrator crimes: testing for sequential dependencies

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posted on 2023-05-20, 00:12 authored by Tupper, N, Sauerland, M, James SauerJames Sauer, Broers, NJ, Charman, SD, Hope, L
Research in perception and recognition demonstrates that a current decision (i) can be influenced by previous ones (i-j), meaning that subsequent responses are not always independent. Experiments 1 and 2 tested whether initial showup identification decisions impact choosing behavior for subsequent showup identification responses. Participants watched a mock crime film involving three perpetrators and later made three showup identification decisions, one showup for each perpetrator. Across both experiments, evidence for sequential dependencies for choosing behavior was not consistently predictable. In Experiment 1, responses on the third, target-present showup assimilated towards previous choosing. In Experiment 2, responses on the second showup contrasted previous choosing regardless of target-presence. Experiment 3 examined whether differences in number of test trials in the eyewitness (vs. basic recognition) paradigm could account for the absence of hypothesized ability to predict patterns of sequential dependencies in Experiments 1 and 2. Sequential dependencies were detected in recognition decisions over many trials, including recognition for faces: the probability of a yes response on the current trial increased if the previous response was also yes (vs. no). However, choosing behavior on previous trials did not predict individual recognition decisions on the current trial. Thus, while sequential dependencies did arise to some extent, results suggest that the integrity of identification and recognition decisions are not likely to be impacted by making multiple decisions in a row.

History

Publication title

PloS ONE

Volume

13

Issue

12

Article number

e0208403

Number

e0208403

Pagination

1-23

ISSN

1932-6203

Department/School

School of Psychological Sciences

Publisher

Public Library of Science

Place of publication

United States

Rights statement

Copyright 2018 Tupper et al. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/

Repository Status

  • Open

Socio-economic Objectives

Expanding knowledge in psychology

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