The Effects of Leadership Styles on Job Performance of Experts through the Mediating Role of Psychological Empowerment (The Case of Agricultural Jihad Organization of Kerman Province)
محورهای موضوعی : Farm Management
لطیف حاجی
1
,
حمید کریمی
2
,
ناصر ولی‌زاده
3
1 - دانشجوی دکتری، بخش ترویج و آموزش کشاورزی، دانشکده کشاورزی، دانشگاه شیراز، شیراز، ایران
2 - استادیار، گروه ترویج و آموزش کشاورزی، دانشکده کشاورزی، دانشگاه زابل، زابل، ایران
3 - دانشجوی دکتری، بخش ترویج و آموزش کشاورزی، دانشکده کشاورزی، دانشگاه شیراز، شیراز، ایران
کلید واژه: psychological empowerment, job performance, Leadership Styles, Agricultural Jihad Organization,
چکیده مقاله :
Job performance is considered one of the most important criteria for developing and measuring the performance of organizations such as the Agricultural Jihad Organization (AJO). The main purpose of the present study was to study the effects of leadership styles on job performance through the mediating role of psychological empowerment. The statistical population was composed of the experts of AJO in Kerman province (N=1418). The sample size was estimated to be 306 experts according to Krejcie and Morgan’s sampling table. The stratified random sampling method was used to select the samples. The research instrument was a questionnaire whose validity was confirmed by a panel of experts in the field of agricultural extension, education, and management. Cronbach's alpha coefficient was employed to examine the reliability of the constructs (0.76≤α≤0.93). The results revealed that the psychological empowerment and the transformational, transactional, and laissez-faire leadership styles had significant effects on job performance. The transformational and transactional leadership styles also had positive and significant effects on psychological empowerment. On the other hand, the laissez-faire leadership style had a negative and significant effect on psychological empowerment. In the end, it should be noted that the independent variables could account for 63 percent of the variance in job performance.
عملکرد شغلی به عنوان یکی از مهمترین معیارهای توسعه و سنجش عملکرد سازمانهایی مانند سازمان جهاد کشاورزی محسوب میشود. بنابراین، مطالعهی اثرات سبکهای رهبری بر عملکرد شغلی با استفاده از نقش میانجی توانمندی روانی به عنوان هدف اصلی پژوهش حاضر تعیین گردید. جامعهی آماری مورد مطالعه کارشناسان سازمان جهاد کشاورزی در استان کرمان بودند (1418=N). حجم نمونه با استفاده از جدول کریجسی و مورگان، 306 نفر برآورد گردید. برای انتخاب نمونهها از روش نمونهگیری تصادفی طبقهای با انتساب متناسب استفاده شد. ابزار پژوهش پرسشنامهای بود که روایی آن با استفاده از نظرات متخصصان ترویج، آموزش و مدیریت کشاورزی مورد تأیید قرار گرفت. از ضرایب آلفای کرونباخ نیز برای تعیین پایایی ابزار استفاده شد (93/0≥α≥76/0). نتایج نشان داد که توانمندی روانی و سبکهای رهبری تحول آفرین، تبادلی و مبتنی بر عدم مداخله اثرات معنیداری بر روی عملکرد شغلی داشتند. همچنین، سبکهای رهبری تحولآفرین و تبادلی اثرات مثبت و معنیداری بر روی توانمندی روانی داشتند. این در حالی بود که سبک رهبری مبتنی بر عدم مداخله اثر منفی و معنیداری بر روی توانمندی روانی داشت. در پایان باید عنوان شود که متغیرهای مستقل توانستند 63 درصد از تغییرات واریانس متغیر وابستهی عملکرد شغلی را پیشبینی کنند.
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