Ali Nasser Al-Tahitah [Supervisor]إبتهال بنت علي عبد الله الفارسيةIbtihal ‘Ali ‘Abdullah Al-Farsi2024-10-292024-10-292023-10Ibtihal ‘Ali ‘Abdullah Al-Farsi . (2023).Athar al-mu'awwiqat al-idariyah 'ala al-'adai al-mu'assasi fi al-mudiriyah al-'ammah lil tanmiyah al-ijtima'iyah bimuhafazah zafari : fa'liyah al-mu'assasah al-ijtima'iyah mutaghayir wasit [Doctoral dissertation, Universiti Sains Islam Malaysia]. USIM Research Repository.https://oarep.usim.edu.my/handle/123456789/24178Matric: 4172186 (FKP)The study aimed to identify the impact of Managerial Obstacles on institutional performance in the General Directorate of Social Development and Social Institutions in Dhofar Governorate and verify the effectiveness of social institutions as a mediating variable. This study relied on the use of the descriptive-analytical method. The study adopted questionnaires to collect data according to previous studies with minor modifications. The study sample consisted of (327) individuals working in the directorate, which numbered (25) institutions and directorates. The questionnaire consisted of (57) items and (5) items for demographic information. The required statistical tests were conducted to achieve the study's objectives, starting from analyzing the primary statistical data using the (SPSS) program, which summarized the descriptive data of the study sample and examined the data. The structural equation modeling program - (SEM-AMOS) was used to test the study's hypotheses. The study found a direct, positive, statistically significant effect of the effectiveness of institutions on institutional performance in the General Directorate of Social Development in Dhofar Governorate. It also found a direct, negative, statistically significant effect of managerial obstacles on the effectiveness of institutions in the General Directorate of Social Development in Dhofar Governorate. Moreover, it also showed a direct, negative, statistically significant effect of administrative obstacles on institutional performance in the Directorate General of Social Development in Dhofar Governorate. The results also confirmed that social institutions' effectiveness partially mediates the relationship between managerial obstacles and institutional performance in the General Directorate of Social Development. This study has theoretical and practical implications that will contribute to the body of literature in Arab and international libraries by adding the model to the current study. This study will contribute to the targeted community by providing empirical results that show the most important obstacles that the Directorate General of Social Development in Dhofar Governorate suffers from.ArManagerial ObstaclesDhofar GovernorateInstitutional performanceSocial institutionsAdministrative obstaclesأثر المعوقات الإدارية على الأداء المؤسسي في المديرية العامة للتنمية الاجتماعية بمحافظة ظفار: فاعلية المؤسسات الاجتماعية متغير وسيطAthar al-mu'awwiqat al-idariyah 'ala al-'adai al-mu'assasi fi al-mudiriyah al-'ammah lil tanmiyah al-ijtima'iyah bimuhafazah zafari : fa'liyah al-mu'assasah al-ijtima'iyah mutaghayir wasittext::thesis::doctoral thesis