Supplemental Material for The Relation Between the Bifactor Model of the Youth Psychopathic Traits Inventory and Conduct Problems in Adolescence: Variations Across Gender, Ethnic Background, and Age

2016 ◽  
Keyword(s):  
Conduct Problems ◽  
Psychopathic Traits ◽  
Bifactor Model ◽  
Ethnic Background ◽  
Youth Psychopathic Traits Inventory

scholarly journals The Youth Psychopathic Traits Inventory: A Bifactor Model, Dimensionality, and Measurement Invariance

Assessment ◽  
2016 ◽  
Vol 24 (7) ◽  
pp. 932-944 ◽  
Author(s):  
Wendy Zwaanswijk ◽  
Violaine C. Veen ◽  
Paul Vedder
Keyword(s):  
Measurement Invariance ◽  
Community Sample ◽  
Psychopathic Traits ◽  
Bifactor Model ◽  
Ethnic Background ◽  
Latent Structure ◽  
Factor Scores ◽  
Modeling Approach ◽  
Youth Psychopathic Traits Inventory ◽  
Bifactor Modeling

The current study examines a bifactor model for the Youth Psychopathic Traits Inventory (YPI) in a Dutch community sample of adolescents ( N = 2,874). The primary goal was to examine the latent structure of the YPI with a bifactor modeling approach. Furthermore, the study examines the dimensionality and measurement invariance of the YPI. Results show that a bifactor model at subscale level fits the YPI best. The general psychopathy factor influences the 10 subscales of the YPI strongly, indicating that the YPI seems to be rather unidimensional than multidimensional. Nevertheless, the dimensions still explain nearly one third of the variance found. Findings imply that the bifactor model of the YPI should be used when examining relations with outcome variables, with a focus on the total score of the YPI, while factor scores should be reported with caution. Furthermore, the bifactor model appears invariant for gender, age, and ethnic background.

Development and Tests of Short Versions of the Youth Psychopathic Traits Inventory and the Youth Psychopathic Traits Inventory-Child Version

2010 ◽  
Vol 26 (2) ◽  
pp. 122-128 ◽  
Author(s):  
Yoast van Baardewijk ◽  
Henrik Andershed ◽  
Hedy Stegge ◽  
Kent W. Nilsson ◽  
Evert Scholte ◽  
...  
Keyword(s):  
Conduct Problems ◽  
Psychopathic Traits ◽  
Psychopathic Personality ◽  
External Criterion ◽  
Administration Time ◽  
Youth Psychopathic Traits Inventory ◽  
Core Characteristics ◽  
Short Versions ◽  
Personality Construct ◽  
Three Factor

The adolescent Youth Psychopathic Traits Inventory (YPI) and its child version (YPI-CV) are sound but lengthy instruments for measuring psychopathic traits in youths. The current study develops psychometrically strong short versions of these instruments. Samples used for item reduction were community samples of adolescents (n = 2105, age 16–19, 49% boys) and children (n = 360, age 9–12, 52% boys). Stepwise parallel reduction using principal components analyses and content-related arguments resulted in two highly similar short instruments of 18 items each. In both versions, near identical and theoretically comprehensible three factor structures were demonstrated, which were crossvalidated in independent samples (CFI = .97 and .97; RMSEA = .044 and .038, respectively). Results were similar for boys and girls. The short instruments were reliable (Cronbach’s αs of .85 and .83) and covered all core characteristics of the psychopathic personality construct. The short versions showed a high convergence with the original long instruments (r = .95 and .93, respectively) and similar correlations to external criterion measures of conduct problems. Therefore, the abbreviated versions are practical and valid alternatives for the original YPIs when administration time is limited.

Youth Psychopathic Traits Inventory--Child Version

2008 ◽  
Author(s):  
Yoast van Baardewijk ◽  
Hedy Stegge ◽  
Henrik Andershed ◽  
Sander Thomaes ◽  
Evert Scholte ◽  
...  
Keyword(s):  
Psychopathic Traits ◽  
Youth Psychopathic Traits Inventory

Youth Psychopathic Traits Inventory--Triarchic; Short Version

2019 ◽  
Author(s):  
Pedro Pechorro ◽  
Matt DeLisi ◽  
James V. Ray ◽  
Isabel Alberto ◽  
Mário R. Simões
Keyword(s):  
Psychopathic Traits ◽  
Short Version ◽  
Youth Psychopathic Traits Inventory

Youth Psychopathic Traits Inventory--Chinese Version

2015 ◽  
Author(s):  
Meng-Cheng Wang ◽  
Qiaowen Deng ◽  
Cherie Armour ◽  
Xiang Yang Bi ◽  
Hong Zeng
Keyword(s):  
Psychopathic Traits ◽  
Chinese Version ◽  
Youth Psychopathic Traits Inventory
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