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Front Psychol. 2020 Jul 01;11:1349. doi: 10.3389/fpsyg.2020.01349. eCollection 2020.

Line-Up Image Position in Simultaneous and Sequential Line-Ups: The Effects of Age and Viewing Distance on Selection Patterns.

Frontiers in psychology

Thomas J Nyman, Jan Antfolk, James Michael Lampinen, Julia Korkman, Pekka Santtila

Affiliations

  1. Faculty of Arts, Psychology and Theology, Åbo Akademi University, Turku, Finland.
  2. Faculty of Arts and Sciences, New York University Shanghai, Shanghai, China.
  3. Department of Psychological Science, University of Arkansas, Fayetteville, AR, United States.

PMID: 32714240 PMCID: PMC7342269 DOI: 10.3389/fpsyg.2020.01349

Abstract

It is known that children and older adults produce more false alarms in target absent line-ups and that weaker facial encoding increases choosing bias. However, there has been no investigation of how age or facial encoding strength impacts line-up position selections in either sequential or simultaneous line-ups. In the present study, we presented participants with four live targets (one by one) while manipulating sequential and simultaneous line-ups between participants and target present and target absent line-ups within participants. In order to investigate facial encoding strength, we presented the targets at distances between 5 and 110 m. Our main hypotheses were that children due to deficits with inhibition would be more biased toward indiscriminate selections in the first position of sequential line-ups compared with subsequent line-up positions and that first position selections would increase for all age groups as facial encoding became weaker. In simultaneous line-ups, we expected to find a top row bias. In our sample (

Copyright © 2020 Nyman, Antfolk, Lampinen, Korkman and Santtila.

Keywords: age; distance; eyewitness; facial encoding strength; line-up; position effects; sequential; simultaneous

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