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- Publisher Website: 10.1111/j.1469-8986.2011.01286.x
- Scopus: eid_2-s2.0-83455163790
- PMID: 22091554
- WOS: WOS:000298593800008
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Article: Increasing the number of irrelevant stimuli increases ability to detect countermeasures to the P300-based Complex Trial Protocol for concealed information detection
Title | Increasing the number of irrelevant stimuli increases ability to detect countermeasures to the P300-based Complex Trial Protocol for concealed information detection |
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Authors | |
Keywords | Deception detection P300 Credibility assessment Countermeasures Concealed information test Complex trial protocol |
Issue Date | 2012 |
Citation | Psychophysiology, 2012, v. 49, n. 1, p. 85-95 How to Cite? |
Abstract | We previously found that simultaneously executing a mental countermeasure and an explicit required response impairs reaction time (RT)-based detection of countermeasure use in a P300- based concealed information test. To address this issue, we increased the numbers of irrelevant stimuli to eight, and manipulated the proportions of to-be-countered irrelevant stimuli from 25% to 50% to 75% in three groups. Results: Based on P300 data, 100% of the simple guilty (no countermeasure use) and 92% of the innocent subjects were correctly identified as having or not having concealed information. In the countermeasure groups, detection rates varied from 71% to 92% across the different groups. Notably, in the present study with eight irrelevant items, simultaneous countermeasure use was indicated by elevated RT in the 50% and 75% countermeasure proportion groups, which it was not, previously, with 50% (two) countermeasures and four irrelevants. © 2011 Society for Psychophysiological Research. |
Persistent Identifier | http://hdl.handle.net/10722/230886 |
ISSN | 2023 Impact Factor: 2.9 2023 SCImago Journal Rankings: 1.303 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Hu, Xiaoqing | - |
dc.contributor.author | Hegeman, Daniel | - |
dc.contributor.author | Landry, Elizabeth | - |
dc.contributor.author | Rosenfeld, J. Peter | - |
dc.date.accessioned | 2016-09-01T06:07:04Z | - |
dc.date.available | 2016-09-01T06:07:04Z | - |
dc.date.issued | 2012 | - |
dc.identifier.citation | Psychophysiology, 2012, v. 49, n. 1, p. 85-95 | - |
dc.identifier.issn | 0048-5772 | - |
dc.identifier.uri | http://hdl.handle.net/10722/230886 | - |
dc.description.abstract | We previously found that simultaneously executing a mental countermeasure and an explicit required response impairs reaction time (RT)-based detection of countermeasure use in a P300- based concealed information test. To address this issue, we increased the numbers of irrelevant stimuli to eight, and manipulated the proportions of to-be-countered irrelevant stimuli from 25% to 50% to 75% in three groups. Results: Based on P300 data, 100% of the simple guilty (no countermeasure use) and 92% of the innocent subjects were correctly identified as having or not having concealed information. In the countermeasure groups, detection rates varied from 71% to 92% across the different groups. Notably, in the present study with eight irrelevant items, simultaneous countermeasure use was indicated by elevated RT in the 50% and 75% countermeasure proportion groups, which it was not, previously, with 50% (two) countermeasures and four irrelevants. © 2011 Society for Psychophysiological Research. | - |
dc.language | eng | - |
dc.relation.ispartof | Psychophysiology | - |
dc.subject | Deception detection | - |
dc.subject | P300 | - |
dc.subject | Credibility assessment | - |
dc.subject | Countermeasures | - |
dc.subject | Concealed information test | - |
dc.subject | Complex trial protocol | - |
dc.title | Increasing the number of irrelevant stimuli increases ability to detect countermeasures to the P300-based Complex Trial Protocol for concealed information detection | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1111/j.1469-8986.2011.01286.x | - |
dc.identifier.pmid | 22091554 | - |
dc.identifier.scopus | eid_2-s2.0-83455163790 | - |
dc.identifier.volume | 49 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | 85 | - |
dc.identifier.epage | 95 | - |
dc.identifier.eissn | 1469-8986 | - |
dc.identifier.isi | WOS:000298593800008 | - |
dc.identifier.issnl | 0048-5772 | - |