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Development and initial validation of an inconsistent responding scale for the youth psychopathic traits inventory

Development and initial validation of an inconsistent responding scale for the youth psychopathic traits inventory
Development and initial validation of an inconsistent responding scale for the youth psychopathic traits inventory
The Youth Psychopathic Traits Inventory (YPI) is widely used in research, but there currently exist no means to identify potentially invalid protocols resulting from careless or random responding. We describe the development of an inconsistent responding scale for the YPI using three archival samples of youths, including two from the United States (juvenile justice and middle school) and one from Germany (vocational training school). We first identified pairs of correlated YPI items and then created a total score based on the sum of the absolute value of the differences for each item pair. The resulting scale strongly differentiated between genuine protocols and randomly generated YPI data (n = 1,000) across samples (AUC values = .88–.92). It also differentiated between genuine protocols and those same protocols after 50% of the original YPI items were replaced with random data (AUCs = .77–.84). Scores on this scale also demonstrated fairly consistent patterns of association with theoretically relevant correlates.
0885-579X
131-143
Penson, Brittany
49cbe806-03ec-424a-a98c-0369a921786e
Ruchensky, Jared
170878e2-d8d2-497c-9d42-43b5ece1b3bd
Edens, John
1e0c2997-5572-40fd-9723-bcd397ab6393
Donnelley, Brent
5f2fd3af-6b07-4caf-85c2-58dd343212fb
Vaughn, Michael
fc329a71-d7d3-41d7-831e-76233964bee9
Eisenbarth, Hedwig
41af3dcb-da48-402b-a488-49de88e64f0c
Penson, Brittany
49cbe806-03ec-424a-a98c-0369a921786e
Ruchensky, Jared
170878e2-d8d2-497c-9d42-43b5ece1b3bd
Edens, John
1e0c2997-5572-40fd-9723-bcd397ab6393
Donnelley, Brent
5f2fd3af-6b07-4caf-85c2-58dd343212fb
Vaughn, Michael
fc329a71-d7d3-41d7-831e-76233964bee9
Eisenbarth, Hedwig
41af3dcb-da48-402b-a488-49de88e64f0c

Penson, Brittany, Ruchensky, Jared, Edens, John, Donnelley, Brent, Vaughn, Michael and Eisenbarth, Hedwig (2018) Development and initial validation of an inconsistent responding scale for the youth psychopathic traits inventory. Journal of Personality Disorders, 32 (1), 131-143. (doi:10.1521/pedi_2017_31_287).

Record type: Article

Abstract

The Youth Psychopathic Traits Inventory (YPI) is widely used in research, but there currently exist no means to identify potentially invalid protocols resulting from careless or random responding. We describe the development of an inconsistent responding scale for the YPI using three archival samples of youths, including two from the United States (juvenile justice and middle school) and one from Germany (vocational training school). We first identified pairs of correlated YPI items and then created a total score based on the sum of the absolute value of the differences for each item pair. The resulting scale strongly differentiated between genuine protocols and randomly generated YPI data (n = 1,000) across samples (AUC values = .88–.92). It also differentiated between genuine protocols and those same protocols after 50% of the original YPI items were replaced with random data (AUCs = .77–.84). Scores on this scale also demonstrated fairly consistent patterns of association with theoretically relevant correlates.

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Development and initial validation of an inconsistent responding scale for the youth psychopathic traits inventory - Version of Record
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More information

Accepted/In Press date: 30 March 2017
e-pub ahead of print date: 17 May 2017
Published date: February 2018
Organisations: Psychology

Identifiers

Local EPrints ID: 411917
URI: http://eprints.soton.ac.uk/id/eprint/411917
ISSN: 0885-579X
PURE UUID: 45b1dc10-0985-45c4-a4d7-d149889be51a
ORCID for Hedwig Eisenbarth: ORCID iD orcid.org/0000-0002-0521-2630

Catalogue record

Date deposited: 29 Jun 2017 16:32
Last modified: 07 Oct 2020 02:06

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