The Underlying Structure of Psychopathic Traits in Children 公开
Dong, Lu (2011)
Abstract
Abstract
The Underlying Structure of Psychopathic Traits in Children
Despite growing research on psychopathic traits among children and
adolescents in recent
years, the factor structure of commonly used measures of
psychopathic traits in youth is still
unresolved, as is the external validity of these factors. The
present thesis investigated the
factor structure of psychopathic traits in children as well as the
relations between
psychopathic trait dimensions and reactive and proactive
aggression. Across zygosity
(monozygotic vs. dizygotic twins), sample type (clinic-referred vs.
controls), and sex (boys vs.
girls), the three-factor model (i.e., Narcissism,
Callous-Unemotional traits, and Impulsivity)
was shown to be the best-fitting model of psychopathic traits in
children as measures by the
Antisocial Process Screening Device (APSD). Factorial invariance
testing suggested
excellent psychometric properties of the APSD. The external
validity of the three-factor
model was supported by the differential associations between the
three psychopathic trait
dimensions and reactive and proactive aggression. The present
thesis strongly supports the
validity and robustness of the three-factor model of psychopathic
traits in children as well as
the generalizability of the APSD across samples.
Table of Contents
Table of Contents
General Introduction 1
The conceptualization of psychopathy within a historical perspective 1
Operationalization and measurement of psychopathy 2
Downward extension of psychopathy to youth 3
The present thesis 6
Study 1: Confirmatory Factor Analysis and Factorial Invariance Testing of the Antisocial Process Screening Device 6
Introduction 6
The present study and hypotheses 10
Method 11
Participants and procedures 11
Measures 12
Data analyses 12
Results 15
Consistency across zygosity 15
Consistency across sample type 16
Consistency across sex 18
Factor loadings and correlations for the APSD 19
Discussion 19
Strengths and limitations 23
Study 2: Psychopathic Trait Dimensions are Differentially Associated with Reactive and Proactive Aggression in Youth 25
Introduction 25
The present study and hypothesis 30
Method 31
Participants and procedures 31
Measures 32
Data analyses 33
Results 35
Discussion 38
General Discussion 40
References 43
Footnotes 55
Tables 56
Figures 65
About this Master's Thesis
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