Psychometric properties of impulsivity measures: temporal stability, validity and factor structure
Article Abstract:
Psychometric properties of measures of impulsivity were investigated in a study with 136 children aged 6 to 16 in behaviorally disordered or normal groups. Of the original variables, 31% met the criterion for temporal stability, and 83% of those showed discriminant validity. Factor analysis on the remaining variables produced a two-factor solution with cognitive and motivational elements. Measures included a card playing task, delay of gratification, circle trading task, passive avoidance learning, stop signal paradigm, Stroop Color-Word Interference Test, delay task, trailmaking, Time Motor Exam, word fluency, redirections to task, and intellectual aptitude.
Publication Name: Journal of Child Psychology and Psychiatry and Allied Disciplines
Subject: Psychology and mental health
ISSN: 0021-9630
Year: 1995
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Anxiety, antisocial behavior, and heart rate regulation in adolescent males
Article Abstract:
The relationship of heart rate regulation to anxiety and to antisocial behaviors in adolescent boys was studied. Heart rate and respiratory activity of subjects over 4-6 years were gathered with yearly intervals. Antisocial behavior was found related to reduced levels of heart rate, while, anxiety accounts for level enhancement. Anxiety was also observed to enhance sympathetic mediation of phasic postural effect on heart rate and affect the automatically mediated components of heart rate variability from postural and respiratory sources.
Publication Name: Journal of Child Psychology and Psychiatry and Allied Disciplines
Subject: Psychology and mental health
ISSN: 0021-9630
Year: 1997
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Executive and motivational control of performance task behavior, and autonomic heart-rate regulation in children: physiologic validation of two-factor solution inhibitory control
Article Abstract:
A study on the influence of executive and motivational control on autonomic heart-rate regulation was conducted. Participants in the study included 22 children from public schools and 20 from therapeutic schools. The findings indicate that greater vagal modulation of heart rate was related to competence in executive control while sympathetic modulation was related to passive, reward-driven behavior. These results verify the two-factor model of executive and motivational control behavior.
Publication Name: Journal of Child Psychology and Psychiatry and Allied Disciplines
Subject: Psychology and mental health
ISSN: 0021-9630
Year: 1998
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