{"title":"Behavioral detection of emotional, high-stakes deception: Replication in a registered report.","authors":"Leanne Ten Brinke, Samantha Sprigings, Cameo Brown, Chloe Kam, Hugues Delmas","doi":"10.1037/lhb0000596","DOIUrl":null,"url":null,"abstract":"<p><strong>Objective: </strong>We replicated research by ten Brinke and Porter (2012), who reported that a combination of four behavioral cues (word count, tentative words, upper face surprise, lower face happiness) could accurately discriminate deceptive murderers from genuinely distressed individuals, pleading for the return of a missing relative.</p><p><strong>Hypotheses: </strong>We hypothesized that each of the four behavioral cues identified in the original study would be similarly related (i.e., size, direction, significance) to veracity in a novel set of pleaders. With these cues as predictors, we also hypothesized that logistic regression models-separately testing the original and replication samples-would produce similar accuracy rates exceeding chance in discriminating genuine from deceptive pleaders.</p><p><strong>Method: </strong>We gathered a new sample of public appeals, including 82 genuine and 14 deceptive pleaders. After establishing ground truth, we transcribed video-recorded pleas and coded them for the presence of upper face surprise and lower face happiness. We used Linguistic Inquiry and Word Count to determine word count and the proportion of tentative words in each appeal.</p><p><strong>Results: </strong>We found support for several hypotheses. Tentative words were used significantly more by deceptive (vs. genuine) pleaders in both the original and replication samples. Deceptive pleaders used significantly fewer words in both samples, although this relationship was significant only in the original sample. Liars in both samples smiled more than truth-tellers, although this relationship was statistically significant only in the replication sample. However, predictive accuracy was poor and did not differ from chance in the replication sample.</p><p><strong>Conclusions: </strong>Findings do not provide a tidy picture of the reliability of behavioral cues to deception. Although some behavioral cues did replicate across samples, others did not. More research will be necessary to understand the factors that produce variable findings across samples, despite using the same methods of investigation. (PsycInfo Database Record (c) 2025 APA, all rights reserved).</p>","PeriodicalId":48230,"journal":{"name":"Law and Human Behavior","volume":" ","pages":"173-181"},"PeriodicalIF":3.2000,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Law and Human Behavior","FirstCategoryId":"90","ListUrlMain":"https://doi.org/10.1037/lhb0000596","RegionNum":2,"RegionCategory":"社会学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/3/27 0:00:00","PubModel":"Epub","JCR":"Q1","JCRName":"LAW","Score":null,"Total":0}
引用次数: 0
Abstract
Objective: We replicated research by ten Brinke and Porter (2012), who reported that a combination of four behavioral cues (word count, tentative words, upper face surprise, lower face happiness) could accurately discriminate deceptive murderers from genuinely distressed individuals, pleading for the return of a missing relative.
Hypotheses: We hypothesized that each of the four behavioral cues identified in the original study would be similarly related (i.e., size, direction, significance) to veracity in a novel set of pleaders. With these cues as predictors, we also hypothesized that logistic regression models-separately testing the original and replication samples-would produce similar accuracy rates exceeding chance in discriminating genuine from deceptive pleaders.
Method: We gathered a new sample of public appeals, including 82 genuine and 14 deceptive pleaders. After establishing ground truth, we transcribed video-recorded pleas and coded them for the presence of upper face surprise and lower face happiness. We used Linguistic Inquiry and Word Count to determine word count and the proportion of tentative words in each appeal.
Results: We found support for several hypotheses. Tentative words were used significantly more by deceptive (vs. genuine) pleaders in both the original and replication samples. Deceptive pleaders used significantly fewer words in both samples, although this relationship was significant only in the original sample. Liars in both samples smiled more than truth-tellers, although this relationship was statistically significant only in the replication sample. However, predictive accuracy was poor and did not differ from chance in the replication sample.
Conclusions: Findings do not provide a tidy picture of the reliability of behavioral cues to deception. Although some behavioral cues did replicate across samples, others did not. More research will be necessary to understand the factors that produce variable findings across samples, despite using the same methods of investigation. (PsycInfo Database Record (c) 2025 APA, all rights reserved).
期刊介绍：
Law and Human Behavior, the official journal of the American Psychology-Law Society/Division 41 of the American Psychological Association, is a multidisciplinary forum for the publication of articles and discussions of issues arising out of the relationships between human behavior and the law, our legal system, and the legal process. This journal publishes original research, reviews of past research, and theoretical studies from professionals in criminal justice, law, psychology, sociology, psychiatry, political science, education, communication, and other areas germane to the field.
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