ویژگی‌های روان‌سنجی چهارمین ویرایش پرسشنامه تشخیصی اختلال اضطراب فراگیر
محورهای موضوعی : روش ها و مدل های روانشناختی
1 - کارشناسی ارشد، روا نشناسی بالینی، بخش روا نشناسی بالینی، دانشگاه شیراز، شیراز، ایران
2 - دانشیار، روانشناسی، بخش روانشناسی بالینی، دانشگاه شیراز، شیراز، ایران
کلید واژه: روایی, پایایی, اختلال اضطراب فراگیر, تشخیص,
چکیده مقاله :
پژوهش حاضر با هدف بررسی ویژگی‌های روان‌سنجی چهارمین ویرایش از پرسشنامه تشخیصی اختلال اضطراب فراگیر در ایران انجام شد. این پژوهش به روش توصیفی- پیمایشی بود. این بررسی در دو مرحله انجام شد. در مرحله نخست روی 221 دانشجوی دانشگاه شیراز و در مرحله دوم روی 40 نفر از بیماران دارای اختلال اضطراب فراگیر مراجعه کننده به مرکز مشاوره دانشگاه شیراز و درمانگاه فوق تخصصی امام رضا در شیراز و روی 40 نفر از افراد نرمال در سال 91-92 در مرکز مشاوره دانشگاه شیراز اجرا شد. ابزارهای پژوهش پرسشنامه‌های تشخیص اختلال اضطراب فراگیر، نگرانی ایالت پن و اضطراب بک بود. همسانی درونی، روایی همگرا، روایی تشخیصی، نقاط برش، حساسیت و ویژگی پرسشنامه و تحلیل عاملی این مقیاس محاسبه شد. اولین یافته، همسانی درونی این مقیاس بر حسب ضریب آلفای کرونباخ را 79/0 نشان داد. یافته دوم حاکی از روایی همزمان 61/0 و 45/0=r و روایی افتراقی 88/0=r بود. علاوه بر این نقطه برش 95/5 منجر به حساسیت 97% و ویژگی 94% شد. نتایج تحلیل عاملی تأییدی برازش یک عاملی را تایید کرد. پرسشنامه تشخیصی اختلال اضطراب فراگیر دارای اعتبار و روایی مطلوبی است و از این پرسشنامه می‌توان در رسیدن به مقاصد پژوهشی، تشخیصی و درمانی در ایران استفاده کرد.
Introduction:The present study examined the psychometrics particularity of Generalized Anxiety Disorder Questionnaire-IV (GAD-QIV) in Iran.
Method: This study was correlation design.This examination conducted in two phases: The first phase conducted on 221 student of Shiraz University ,the second conducted on 40 patient with generalized anxiety disorder that com in to shiraz univercity counciling center and Imam Reza Specialist Clinic in Shiraz and 40 normal participants. Measuring instruments were Generalized Anxiety Disorder Questionnaire-IV, Pennsylvania State Worry Questionnaire and Beck anxiety Inventory.
Results: The first finding demonstrated Internal consistency (Cronbach’s alpha =0/79) for GADQ-IV. The second finding showed convergent validity (r=0/61, 0/45) and discriminant validity (r=0/88). In addition A cutoff of 5.95 leads to sensitivity of 97% and specificity of 94%. The result of Confirmatory factor analysis show the fitness of one-factor model.
Conclusion: Generalized Anxiety Disorder Questionnaire-IV have appropriate reliability and validity and are suitable scales for research , clinical applications in Iran.
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