fa تأثیر اجرای برنامه آموزشی طراحی‌شده توسط گروه همتا بر میزان افسردگی بیماران مبتلا به بیماری مولتیپل‌اسکلروزیس General پژوهشي Research Article Background and AimMultiple Sclerosis is one of the most prevalent diseases of the central nervous system that for some reasons, including occurrence during the youth and not having a definite treatment causes depression in patients associated with disability and recurrence. The present study aimed at evaluating impact of peer education on depression in patients with multiple sclerosis in 2011.   Materials and MethodsIn this semi-experimental study, after non- randomized sampling, the selected subjects were randomly assigned into two experimental and control groups. In the beginning, five educational sessions were held for the peer group to prepare them for their job. Then, after the preparation of the peer group, they held six educational sessions for the experimental group during two months. Data collection tools were demographic information, DASS 21, and a self-administered questionnaire. The obtained data was analysed by means of statistical tests c 2 , paired t, and independent t at the significant level P Depression,Multiple Sclerosis,Peer Group,Education 301 309 http://mcj.bums.ac.ir/browse.php?a_code=A-10-1-382&slc_lang=fa&sid=1 Ali Dehghani علی دهقانی 10031947532846004098 10031947532846004098 No Instructor, Faculty of Nursing and Midwifery, Jahrom University of Medical Sciences, Jahrom, Iran دانش آموخته دانشگاه تربیت مدرس، عضو هیات علمی دانشکده پرستاری و مامایی دانشگاه علوم پزشکی جهرم، ایران Sima Mohammadkhan Kermanshahi سیما محمدخان کرمانشاهی 10031947532846004099 10031947532846004099 Yes Assistant Professor, Department of Nursing, Faculty of Medical Sciences, Tarbiat Modaress University, Tehran, Iran. Email: kerman_s@modares.ac.ir دکترای آموزش پرستاری، استادیار گروه پرستاری، دانشکده علوم پزشکی، دانشگاه تربیت مدرس تهران. تهران، ایران. تلفن:09125005629 پست الکترونیک: kerman_s@modares.ac.ir Robabeh Memarian ربابه معماریان 10031947532846004100 10031947532846004100 No Assistant Professor, Department of Nursing, Faculty of Medical Sciences, Tarbiat Modaress University, Tehran, Iran دکترای آموزش پرستاری، استادیار گروه پرستاری، دانشکده علوم پزشکی، دانشگاه تربیت مدرس، تهران، ایران