Addressing selective attrition in the enhanced response time‐based concealed information test: A within‐subject replication

Summary The response time‐based concealed information test can reveal when a person recognizes a relevant item among other, irrelevant items, based on comparatively slower responding. Thereby, if a person is concealing the knowledge about the relevance of this item (e.g., recognizing it as a murder...

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Bibliographic Details
Published in:Applied cognitive psychology 2021-01, Vol.35 (1), p.243-250
Main Author: Lukács, Gáspár
Format: Article
Language:English
Subjects:
Attrition
Cognitive Tests
concealed information test
Deception
Dropping out
Familiarity
Murders & murder attempts
Reaction Time
Recognition (Psychology)
replication
response time
selective attrition
validation
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Summary:Summary The response time‐based concealed information test can reveal when a person recognizes a relevant item among other, irrelevant items, based on comparatively slower responding. Thereby, if a person is concealing the knowledge about the relevance of this item (e.g., recognizing it as a murder weapon), this deception can be revealed. A recent study, conducted online and using a between‐subject design, introduced a significantly enhanced version by including additional items in the task. While this modified version outperformed the original version, it also resulted in a much higher rate of participant dropouts (i.e., participants leaving the experiment's website without completing the task). The grave implication is that the perceived enhancement is perhaps merely due to selective attrition. Therefore, the current experiment replicates the original one, but using a within‐subject design. The results show that there is a large enhancement even when selective attrition is prevented.
ISSN:0888-4080
1099-0720
DOI:10.1002/acp.3759