مدلیابی روابط علّی پرخوری عصبی بر اساس باورهای وسواسی با میانجیگری ترس از ارزیابی منفی در افراد دارای علائم اختلال پرخوری عصبی
کلمات کلیدی:
پرخوری عصبی, باورهای وسواسی, ترس از ارزیابی منفی, علائم اختلال پرخوری عصبیچکیده
هدف: هدف پژوهش حاضر، مدلیابی روابط علّی پرخوری عصبی بر اساس ابعاد مختلف باورهای وسواسی با بررسی نقش میانجی ترس از ارزیابی منفی در افراد دارای علائم اختلال پرخوری عصبی بود.
مواد و روش: این پژوهش از نوع توصیفی–همبستگی و با استفاده از مدلیابی معادلات ساختاری انجام شد. جامعه آماری شامل افراد دارای علائم اختلال پرخوری عصبی عضو انجمنهای پرخوران گمنام ایران در سال 1404 بود که از میان آنها 163 نفر به روش نمونهگیری هدفمند انتخاب شدند. ابزارهای پژوهش شامل پرسشنامه رفتار پرخوری گورمالی، پرسشنامه باورهای وسواسی (OBQ-44)، و مقیاس ترس از ارزیابی منفی بود. تحلیل دادهها با استفاده از نرمافزار SPSS نسخه 27 و SmartPLS نسخه 4 انجام شد.
یافتهها: نتایج مدل ساختاری نشان داد ترس از ارزیابی منفی اثر مستقیم مثبت و معناداری بر پرخوری عصبی دارد (β = 0.329، p = 0.001). عامل عمومی باورهای وسواسی اثر مثبت و معناداری بر ترس از ارزیابی منفی داشت (β = 0.492، p < 0.001)، اما اثر مستقیم آن بر پرخوری عصبی معنادار نبود (β = −0.034، p = 0.800). همچنین کمالطلبی و قطعیت اثر مثبت و معناداری بر ترس از ارزیابی منفی داشت (β = 0.197، p = 0.025)، اما اثر مستقیم آن بر پرخوری عصبی تأیید نشد (β = 0.139، p = 0.223). تنها اثر غیرمستقیم معنادار مربوط به مسیر عامل عمومی باورهای وسواسی به پرخوری عصبی از طریق ترس از ارزیابی منفی بود (β = 0.162، p = 0.006). ضریب تعیین نشان داد مدل توانست 38.8 درصد از واریانس ترس از ارزیابی منفی و 20.8 درصد از واریانس پرخوری عصبی را تبیین کند.
نتیجهگیری: یافتهها نشان دادند که ترس از ارزیابی منفی نقش کلیدی در پیشبینی پرخوری عصبی ایفا میکند و بهعنوان یک سازوکار میانجی، اثر برخی از ابعاد باورهای وسواسی را بر رفتار پرخوری منتقل میکند. همچنین نتایج نشان دادند که همه ابعاد باورهای وسواسی اثر مستقیم بر پرخوری ندارند و نقش آنها وابسته به فعال شدن فرآیندهای هیجانی–اجتماعی است.
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حق نشر 2025 Raana Peighamy (Author); Davood Hosseini-Nasab; Marziyeh Alivandi Vafa (Author)

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