TY - JOUR T1 - Reliability and Validity of Persian Versions of Eysenck, Barratt, Dickman and Zuckerman Questionnaires in Assessing Risky and Impulsive Behaviors TT - روایی و پایایی نسخه‌های فارسی پرسش‌نامه‌های آیزنک، بارت، دیکمن و زاکرمن در تعیین رفتارهای مخاطره‌جویانه و تکانشگری JF - ijpcp JO - ijpcp VL - 14 IS - 3 UR - http://ijpcp.iums.ac.ir/article-1-575-en.html Y1 - 2008 SP - 326 EP - 336 KW - impulsivity; Eysenck Impulsivity Questionnaire; Zuckerman Sensation Seeking Scale; Barratt Impulsivity Scale; Dickman Impulsivity Inventory; reliability; validity N2 - Objectives: This study aims to assess the validity and reliability of Persian versions of Barratt Impulsivity Scale (BIS-II), Dickman Impulsivity Inventory (DII-2), Eysenck Impulsivity Questionnaire (EIQ-7) and Zuckerman Sensation Seeking Scale (SSS-5) by administering them to normal subjects and opiate abusers. Method: The Persian versions of BIS, DII, EIQ and SSS, were completed by a group of normal individuals (39 subjects) and opiate abusers (30 subjects). Reliability was assessed using internal consistency.  Validity was checked using two methods: inter-scale correlation and known-groups comparison. Results: Cronbach's alpha coefficients in all questionnaires and in both groups ranged from 0.40 to 0.83. Except for “Boredom susceptibility” factor of SSS (0.22), the subgroups of questionnaires in BIS showed significant correlation (r=0.4). There was a significant correlation between impulsivity factors in other questionnaires and BIS results. BIS scores and impulsivity factors of other questionnaires in the substance abuser group was significantly (p M3 ER -