en Medical Education Medical Education Original Research Original Research <p> <strong> Background: </strong>Outstanding leadership is one of the important and vital concepts in management and educational leadership debates especially in educational organizations such as universities. Thus, effective educational leadership and adopting an appropriate tool to assess leadership in education are crucial in these institutions. The present study was conducted to develop an instrument for measuring the leadership style in faculty members.</p><p> <strong> <g class="gr_ gr_27 gr-alert gr_gramm Punctuation multiReplace" id="27" data-gr-id="27">Methods </g></strong><g class="gr_ gr_27 gr-alert gr_gramm Punctuation multiReplace" id="27" data-gr-id="27">:</g> In this descriptive cross-sectional study, content and face validity of Multifactor Leadership Questionnaire (MLQ) was examined using the opinions of 10 experienced faculty members as a panel of experts. For construct validity, 210 questionnaires were administered to faculty members of Tehran University of Medical Sciences. Confirmatory factor analysis was run using principal component analysis and Varimax rotation method. The reliability of the scale was measured through internal consistency using Cronbach’s alpha formula. Confirmatory factor analysis was used to examine the construct validity of the questionnaire. Data were analyzed using SPSS v.16 and LISREL software.</p><p> <strong> <g class="gr_ gr_24 gr-alert gr_gramm Punctuation multiReplace" id="24" data-gr-id="24">Results </g></strong><g class="gr_ gr_24 gr-alert gr_gramm Punctuation multiReplace" id="24" data-gr-id="24">:</g> Factor analysis and expert opinion resulted in a questionnaire with 18 items across six subscales including idealized influence, inspirational motivation, intellectual stimulation, individualized consideration, contingent reward, and management by exception. The reliability coefficient of the questionnaire was acceptable (0.90). Confirmatory factor analysis showed that the scale had <g class="gr_ gr_23 gr-alert gr_gramm Grammar only-ins doubleReplace replaceWithoutSep" id="23" data-gr-id="23">appropriate</g> goodness of fit.</p><p> <strong> <g class="gr_ gr_22 gr-alert gr_gramm Punctuation multiReplace" id="22" data-gr-id="22">Conclusion </g></strong><g class="gr_ gr_22 gr-alert gr_gramm Punctuation multiReplace" id="22" data-gr-id="22">:</g> The 18-item Educational Leadership Questionnaire was found to have acceptable validity and reliability for measuring leadership style in the faculty. It is recommended that the questionnaire be administered to a larger sample.</p> Multifactor Leadership, Validity, Reliability, Faculty. 768 776 http://mjiri.iums.ac.ir/browse.php?a_code=A-10-1-874&slc_lang=en&sid=1 Rezaali Bagheri reza.bagheri59@gmail.com 200319475328460018340 200319475328460018340 No Director of Behvarzi Education Center Fereidoon kenar City, Mazandaran University of Medical Sciences, Mazandaran, Iran. Zohreh Sohrabi sohrabi.z@iums.ac.ir 200319475328460018341 200319475328460018341 Yes Department of Medical Education, School of Medicine and Center for Educational Research in Medical Sciences (CERMS), Iran University of Medical Sciences, Tehran, Iran. Es’hagh Moradi moradi.i90@gmail.com 200319475328460018342 200319475328460018342 No Faculty Member at Education Development Center (EDC), Urmia University of Medical Sciences, Urmia, Iran.