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Validation and psychometric evaluation of the Turkish version of the Reward Deficiency Syndrome Questionnaire
Oguz Peker1, Mustafa Ugurlu2, Ali Gokhan Esim3
1Ankara Lokman Hekim Akay Hospital, Department of Psychiatry, Ankara, Turkiye.
Dusunen Adam : Bakirkoy Ruh Ve Sinir Hastaliklari Hastanesi Yayin Organi
|July 16, 2026
Summary
The Turkish version of the Reward Deficiency Syndrome Questionnaire (RDSQ-29) is a valid and reliable tool for assessing reward deficiency syndrome and related traits in clinical and research settings.
Area of Science:
- Psychology
- Psychometrics
- Clinical Research
Background:
- Reward Deficiency Syndrome (RDS) is characterized by traits like risk-seeking behavior and social concerns.
- Assessing RDS is crucial for understanding and treating related behavioral issues.
- The Reward Deficiency Syndrome Questionnaire (RDSQ-29) measures these characteristics.
Purpose of the Study:
- To evaluate the validity and reliability of the Turkish translation of the RDSQ-29.
- To confirm the psychometric properties of the RDSQ-29 for Turkish-speaking populations.
- To establish the scale's utility in clinical and research applications.
Main Methods:
- 481 participants completed the Turkish RDSQ-29 and related psychological scales.
- Confirmatory Factor Analysis (CFA) with a bifactor model was employed.
- Internal consistency (Cronbach's alpha) and test-retest reliability were assessed.
- Pearson correlations were used for criterion validity analysis.
Main Results:
- The bifactor model showed acceptable fit, indicating a robust factor structure.
- The Turkish RDSQ-29 demonstrated strong internal consistency (α=0.920) and high test-retest reliability (r=0.884).
- Significant correlations with impulsivity and anxiety supported criterion validity.
- Gender differences in RDSQ-29 scores were observed.
Conclusions:
- The Turkish RDSQ-29 is a psychometrically sound instrument.
- The scale is suitable for assessing reward deficiency syndrome and related traits in Turkish contexts.
- Findings support the use of the Turkish RDSQ-29 in clinical practice and research.
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