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Validation of the Interview Module for Intermittent Explosive Disorder (M-IED) in children and adolescents: a pilot
R L Olvera1, S R Pliszka, W M Konyecsni
1Division of Child and Adolescent Psychiatry, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, TX San Antonio 78284-7792, USA. olverar@uthscsa.edu
Psychiatry Research
|April 20, 2001
Summary
Researchers identified Intermittent Explosive Disorder (IED) symptoms in aggressive children using the M-IED. This tool shows promise for diagnosing adolescent IED, demonstrating reliability and validity in initial studies.
Area of Science:
- Child and Adolescent Psychiatry
- Behavioral Psychology
- Clinical Psychology
Background:
- Impulsive and aggressive behaviors in children and adolescents are significant clinical concerns.
- Accurate diagnosis of disruptive behavior disorders is crucial for effective intervention.
- The need for reliable diagnostic tools for Intermittent Explosive Disorder (IED) in youth is recognized.
Purpose of the Study:
- To evaluate the Interview Module for Intermittent Explosive Disorder (M-IED) for diagnosing IED in adolescents.
- To assess the reliability and construct validity of the M-IED in a clinical sample.
Main Methods:
- The M-IED was administered to 34 children and adolescents aged 10-17 with impulsive/aggressive symptoms.
- Inter-rater reliability, test-retest reliability, and construct validity were examined.
- Comparisons were made with community and psychiatric control groups using the Swanson, Nolan and Pelham questionnaire (SNAP-IV).
Main Results:
- The M-IED demonstrated high inter-rater reliability and adequate test-retest reliability.
- IED symptomatology correlated with higher lifetime aggression, oppositionality, inattention, and hyperactivity/impulsivity.
- Subjects with IED symptoms showed more aggression episodes than control groups and higher positive screens for IED and PTSD on the SNAP-IV.
Conclusions:
- The M-IED shows initial promise as a reliable and valid instrument for diagnosing Intermittent Explosive Disorder in adolescents.
- Findings support the construct validity of the M-IED by differentiating clinical samples from controls.
- Further research is warranted to establish the M-IED's utility in diverse clinical settings.
