This study aimed to analysis structural relationships of professional learning community and teacher commitment with mediator role of collective efficacy. In order to do so, 323 Elementary teachers of Jiroft city were chosen as the research sample through cluster sampling. Required data regarding the variables of research were collected using the questionnaire of school professional learning com...

abstract this study evaluates the iranian pre-university english textbook in terms of needs, objectives, content, and methodology. the study was designed on the qualitative- quantitative survey basis using interviews and questionnaires, a researcher-made textbook evaluation checklist and a needs analysis questionnaire. the textbook evaluation questionnaire was used in this study to elicit the ...

Psychological empowerment of prisoners is one of the effective treatment programs for reducing the prevention of recurrence of crime. Due to the importance of this issue, the present study was conducted with the aim of the effectiveness of acceptance and commitment therapy (ACT) on the psychological capital and criminal thinking of prisoners in Bushehr city. The method of the present study was ...

Introduction: Expert employees’ turnover such as experienced nurses in hospitals is a problem that disrupts the growth of hospitals and is a serious problem for managers seeking to hire, maintain and utilize human capital. Aim: The purpose of this study is to investigate the effect of transformational leadership style on turnover intention, with emphasis on the mediating role of job engagement,...

This study aimed to analysis structural relationships of professional learning community and teacher commitment with mediator role of collective efficacy. In order to do so, 323 Elementary teachers of Jiroft city were chosen as the research sample through cluster sampling. Required data regarding the variables of research were collected using the questionnaire of school professional learning com...

In order to plan effective interventions in an Iranian work organization, an Adaptive Coping Cycle (Schein, 1988) was planned with respect to earlier research findings on perceived organizational culture and on employees' job -satisfaction. Two and a half years after the beginning of the said program, a second questionnaire was administered to a representative sample of 150 Iranian male emplo...

the present research has been deducted from a provincial research project which aims at determining the relationship of variables of variables of occupational self-concept, intelligence beliefs and metacognitive with entrepreneurship among the students of payame noor university of kurdistan. the volume of the samples was 1080 students (576 female and 504 male students). the research methodology...

روانگرایی در ماسه های ریزدانه اشباع در هنگام زلزله، موجب خرابی سازه های زیادی در نقاط مختلف دنیا بوده است. از عوامل موثر در این پدیده می توان به تراکم خاک، دانه بندی خاک، عمق لایه مورد نظر و تنش های موثر همه جانبه، شدت و مدت زمان زمین لرزه و درصد عبوری از الک شماره 200 (مقدار ریزدانه و جنس آن) اشاره نمود. عالباً در روشهای رایج ارزیابی وقوع روانگرایی از خصوصیات درجای خاک، همانند نتایج آزمایش های ...

تاثیر غلظت های مختلف گاماآمینو بوتیریک اسید بر روی تحمل به تنش سرما در میوه های رسیده ای چون هلو بررسی گردیده است. نشان داده شده که پاشیدن این ماده در سردخانه ها روی میوه، در شدت رنگ آن، جلوگیری از آسیب دیدن گوشت میوه و ممانعت از قهوه ای شدن آن و همچنین روی فعالیت آنزیم های آنتی اکسیدان نقش دارد. (yang et al., 2011 و shang et al., 2010). بررسی های گذشته نشان داده اند که افزایش غلظت gaba در گیاه...