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<p>The aim of this study was to assess the validity and reliability of the Turkish version of the Dimensional Anhedonia Rating Scale (DARS-TR) in a clinical sample of adolescents, including those diagnosed with Major Depressive Disorder (MDD), individuals at ultra-high risk for psychosis and/or psychotic individuals (UHR/PSYC), and healthy controls (HC). The study included 63 cases diagnosed with MDD and 59 cases evaluated as UHR/PSYC, aged between 12–18 years, who were admitted to the child and adolescent psychiatry outpatient clinic. 58 age-matched healthy children constituted the control group. The construct validity of the scale was evaluated through factor analysis. Internal consistency was analyzed using Cronbach’s α and McDonald’s ω. For the assessment of convergent, concurrent, and divergent validity, the Snaith-Hamilton Pleasure Scale (SHAPS), the Behavioral Activation System/Behavioral Inhibition System Scale (BAS/BIS), and the Children’s Depression Rating Scale-Revised (CDRS-R) were employed. There was a strong correlation between total DARS scores and SHAPS, BAS, and the anhedonia-related item of CDRS-R (<i>p</i> &lt; 0.001). However, no significant relationship was found with BIS score. DARS items demonstrated excellent internal consistency (Cronbach’s α = 0.92, McDonald’s ω<sub>T</sub> = 0.94). Factor analysis revealed that DARS items loaded onto four factors, explaining 73.07% of the total variance. Additionally, the four-factor structure demonstrated adequate fit. The findings obtained in the present study demonstrate that DARS-TR is a valid and reliable tool for comprehensively assessing state anhedonia in adolescent populations with MDD, UHR/PSYC, and non-psychiatric individuals.</p>

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Dimensional Anhedonia Rating Scale (DARS) Turkish Version: Examination of Psychometric Properties in Depressed and Ultra-High Risk/Psychotic Adolescents

  • 期刊论文

  • 发表日期：

    2025年6月28日

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  • Oguz Bilal Karakus,
  • Merve Zeynep Doganer,
  • İrem Yanarates Turhan,
  • Tugce Demirci Cesur,
  • Ecem Ozer Cakir,
  • Ayse Sena Yuksel,
  • Didem Cek Ozturk,
  • Ilayda Barankoglu Sevin,
  • Ibrahim Selcuk Esin,
  • Sakina J. Rizvi

摘要

The aim of this study was to assess the validity and reliability of the Turkish version of the Dimensional Anhedonia Rating Scale (DARS-TR) in a clinical sample of adolescents, including those diagnosed with Major Depressive Disorder (MDD), individuals at ultra-high risk for psychosis and/or psychotic individuals (UHR/PSYC), and healthy controls (HC). The study included 63 cases diagnosed with MDD and 59 cases evaluated as UHR/PSYC, aged between 12–18 years, who were admitted to the child and adolescent psychiatry outpatient clinic. 58 age-matched healthy children constituted the control group. The construct validity of the scale was evaluated through factor analysis. Internal consistency was analyzed using Cronbach’s α and McDonald’s ω. For the assessment of convergent, concurrent, and divergent validity, the Snaith-Hamilton Pleasure Scale (SHAPS), the Behavioral Activation System/Behavioral Inhibition System Scale (BAS/BIS), and the Children’s Depression Rating Scale-Revised (CDRS-R) were employed. There was a strong correlation between total DARS scores and SHAPS, BAS, and the anhedonia-related item of CDRS-R (p < 0.001). However, no significant relationship was found with BIS score. DARS items demonstrated excellent internal consistency (Cronbach’s α = 0.92, McDonald’s ωT = 0.94). Factor analysis revealed that DARS items loaded onto four factors, explaining 73.07% of the total variance. Additionally, the four-factor structure demonstrated adequate fit. The findings obtained in the present study demonstrate that DARS-TR is a valid and reliable tool for comprehensively assessing state anhedonia in adolescent populations with MDD, UHR/PSYC, and non-psychiatric individuals.