en تخصصي Special پژوهشي Research Article <aside style="box-sizing: border-box; font-family: Lato, Arial; word-wrap: break-word; margin-bottom: 10px; font-size: 11px;"> <p style="box-sizing: border-box; word-wrap: break-word; margin: 0px 0px 10px; font-size: 12px; text-align: justify;"><span style="box-sizing: border-box; word-wrap: break-word; font-weight: 700;">Background:</span>&nbsp;Drug abuse is a major problem in the communities and has many harmful effects on human body.</p> </aside> <aside style="box-sizing: border-box; font-family: Lato, Arial; word-wrap: break-word; margin-bottom: 10px; font-size: 11px;"> <p style="box-sizing: border-box; word-wrap: break-word; margin: 0px 0px 10px; font-size: 12px; text-align: justify;"><span style="box-sizing: border-box; word-wrap: break-word; font-weight: 700;">Objectives:</span>&nbsp;The current study aimed to compare the efficacy of matrix method on anxiety and attitude of male crack abusers referred to addiction treatment centers in Tonkabon, Iran, in 2014.</p> </aside> <aside style="box-sizing: border-box; font-family: Lato, Arial; word-wrap: break-word; margin-bottom: 10px; font-size: 11px;"> <p style="box-sizing: border-box; word-wrap: break-word; margin: 0px 0px 10px; font-size: 12px; text-align: justify;"><span style="box-sizing: border-box; word-wrap: break-word; font-weight: 700;">Patients and Methods:</span>&nbsp;The current semi -experimental study included 1,000 males referred to addiction treatment centers in Tonkabon with crack abuse history in 2014. Based on Morgan sample volume formula, 278 males with anxiety and higher attitude to drug abuse were randomly selected from 1,000 males referred to addiction treatment centers in Tonkabon. Then, 30 subjects were reselected out of them and equally assigned into two groups of experimental and control, 15 subjects in each group. The experimental group received 24 sessions of 30 - 60 minutes matrix treatment method in group, but the control group received no training. At the end of training period the post-test was carried out. The research findings confirmed the efficacy of matrix method on anxiety and attitude to crack abuse among those referring to the addition treatment center.</p> </aside> <aside style="box-sizing: border-box; font-family: Lato, Arial; word-wrap: break-word; margin-bottom: 10px; font-size: 11px;"> <p style="box-sizing: border-box; word-wrap: break-word; margin: 0px 0px 10px; font-size: 12px; text-align: justify;"><span style="box-sizing: border-box; word-wrap: break-word; font-weight: 700;">Results:</span>&nbsp;The single covariance analysis of ANCOVA indicated that the value of Eta about 72% of variance of anxiety variable and about 76% of variance of drug abuse variable are taken in to account for variable of group. The intervention was effective in reducing anxiety and attitude to crack in males. Evaluating the adjusted mean showed the effectiveness of matrix method on anxiety and attitude to crack abuse in males.</p> </aside> <aside style="box-sizing: border-box; font-family: Lato, Arial; word-wrap: break-word; margin-bottom: 10px; font-size: 11px;"> <p style="box-sizing: border-box; word-wrap: break-word; margin: 0px 0px 10px; font-size: 12px; text-align: justify;"><span style="box-sizing: border-box; word-wrap: break-word; font-weight: 700;">Conclusions:</span>&nbsp;The research result showed that matrix method affected the reduction of methamphetamine and attitude to crack abuse in males referred to the addition treatment center.</p> </aside> Matrix Method, Anxiety, Attitude Toward Crack Abuse, Methamphetamine 88 92 http://ajnpp.umsha.ac.ir/browse.php?a_code=A-10-2-39&slc_lang=en&sid=1 Akbar Hemmati Sabet 1003194753284600186 1003194753284600186 No Department of Counseling, Science and Research Branch, Islamic Azad University, Tehran, IR Iran Masoome Hemmati 1003194753284600187 1003194753284600187 No Department of Counseling, Science and Research Branch, Islamic Azad University, Tehran, IR Iran Mahsa Poustchi 1003194753284600188 1003194753284600188 No Department of Exceptional Children, Allameh University, Tehran, IR Iran Mehran Nejad Hashem 1003194753284600189 1003194753284600189 No Department of General Psychology, Tonekabon Branch, Islamic Azad University, Tonekabon, IR Iran Mohammad Haghighi 1003194753284600190 1003194753284600190 No Behavioral Disorders and Substances Abuses Research Center, Hamadan University of Medical Sciences, Hamadan, IR Iran Mohammad Ahmadpanah m1ahmad2000@gmail.com 1003194753284600191 1003194753284600191 Yes Behavioral Disorders and Substances Abuses Research Center, Hamadan University of Medical Sciences, Hamadan, IR Iran