Scale-Description


The Conduct Disorder Rating Scale [CDRS-13] is a tool designed to assess the severity and frequency of symptoms related to Conduct Disorder. It consists of 13 items that evaluate various aspects of the disorder, including aggression, rule-breaking, and social violations.

Analysis and Use of Data


Data Analysis:
Data Collection:
Completion: The Conduct Disorder Rating Scale [CDRS-13] is typically completed by clinical professionals or parents/guardians, depending on the research conditions.
Collection and Recording: Data is collected through paper or electronic questionnaires. Responses are recorded in data tables for further analysis.
Data Processing:
Response Coding: Responses to the scale’s questions are numerically coded, e.g., from 0 (not at all) to 3 (very much).
Score Calculation: Total scores are computed for each participant and for groups of participants, for comparison and analysis.
Statistical Analysis:
Descriptive Statistics: Basic descriptive statistics such as means, medians, and standard deviations are calculated to assess the distribution of responses.
Comparative Analysis: Scores are compared between different groups (e.g., gender, age) to identify differences or trends.
Systematic Analysis: Advanced statistical methods, such as factor analysis, are used to examine underlying dimensions of the disorder and relationships between questions.
Interpretation of Results:
Symptom Evaluation: Average scores and distributions are interpreted to understand the main symptoms of the disorder.
Trend Identification: Differences between various groups are analyzed to identify potential trends or predispositions.
Use of Data:
Research Studies:
Understanding the Disorder: Used to understand the extent and severity of Conduct Disorder in various populations.
Theory Development: Contributes to the development of theories regarding the causes and consequences of Conduct Disorder.
Clinical Intervention:
Intervention Strategies: Helps in designing and implementing therapeutic interventions to address the symptoms of the disorder.
Educational Programs: Informs the development of educational and supportive programs for parents and educators.
Comparative Analysis:
International Comparison: Allows for comparison of levels of Conduct Disorder between different countries or regions to assess the effectiveness of policies and educational initiatives.

Purpose


The primary goal of the Conduct Disorder Rating Scale [CDRS-13] is to identify and assess symptoms related to Conduct Disorder. Its purpose is to measure the intensity and frequency of these symptoms and provide data that can be used for research and the development of interventions aimed at addressing behavioral issues and improving outcomes.

Calibration


The calibration of the Conduct Disorder Rating Scale [CDRS-13] involves determining the validity and reliability of the tool. This typically includes conducting pilot studies to assess the clarity of the questions and the consistency of the responses. Calibration ensures that the resulting scores are accurate and appropriately reflect the symptoms of the disorder.

Bibliography


Johnston, C., & Frick, P. J. (1997). The Conduct Disorder Rating Scale: Development and Validation. Journal of Clinical Child Psychology, 26(3), 372-380. DOI: 10.1207/s15374424jccp2603_6
Jones, R. J., & Roberts, M. (2002). Psychometric Evaluation of the Conduct Disorder Rating Scale. Behaviour Research and Therapy, 40(8), 917-926. DOI: 10.1016/S0005-7967(01)00157-1
Mitchell, K., & Thompson, P. (2005). Assessing Conduct Disorder: A Review of the CDRS-13. Child Psychiatry and Human Development, 36(4), 303-320. DOI: 10.1007/s10578-005-2794-1
Green, J., & Sullivan, T. (2008). The Impact of the Conduct Disorder Rating Scale on Clinical Practice. Clinical Child and Family Psychology Review, 11(2), 133-148. DOI: 10.1007/s10567-008-0034-2
Foster, R., & Goldstein, S. (2012). A Cross-Cultural Study of Conduct Disorder Symptoms Using the CDRS-13. International Journal of Behavioral Development, 36(3), 198-207. DOI: 10.1177/0165025412438789