en روانسنجي Psychometric پژوهشي Original Research Article <div style="text-align: justify;"><strong>Objective</strong>: The present study investigates the psychometric properties of the abridged version of the Autism-Spectrum Quotient (AQ).<br> <strong>Methods</strong>: A total of 254 students were chosen from universities in Tehran by the cluster sampling method. Then, the demographic questionnaire, close relationships-revised questionnaire, Autism Spectrum Quotient Short (AQ-S) form, and the empathy quotient-short forms were distributed among them. The data were analyzed using SPSS, Lertab, and LISREL software.<br> <strong>Results</strong>: The results of the exploratory factor analysis revealed 5 factors for the AQ-S, and the confirmatory factor analysis confirmed the results of the exploratory factor analysis. The Cronbach alpha values were 0.95, 0.92, 0.48, 0.94, 0.58, and 0.89 for AQ-Short, the social skills, routine, imagination, attention switching, and number/pattern components, respectively. The divergent and convergent reliability of AQ-S was satisfactory.<br> <strong>Conclusion</strong>: The results provide evidence for the applicability of the AQ short form in assessing the autistic traits of the Iranian population.</div> Autistic traits, Autism-Spectrum Quotient (AQ-Short), Validity, Reliability 303 318 http://jpcp.uswr.ac.ir/browse.php?a_code=A-10-664-1&slc_lang=en&sid=1 Samira Ameli ameli.samira@sbmu.ac.ir 0000-0002-4298-3258 Yes Department of Clinical Psychology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran. Saber Ghaderi saber.ghaderi@sbmu.ac.ir 0000-0001-9930-8416 No Department of Clinical Psychology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran. Maryam Aslzaker Lighvan m.aslzaker@sbmu.ac.ir 0000-0003-0077-1449 No Department of Clinical Psychology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran. Mohammad Hassan Davazdah Emami emami@sbmu.ac.ir No Department of Clinical Psychology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran. Hossein Dadashzadeh Hossein_dadashzadeh@sbmu.ac.ir 0000-0001-8138-5982 No Department of Clinical Psychology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.