نتایج جستجو برای: 384 sample selected by cochrane formula
تعداد نتایج: 7392684 فیلتر نتایج به سال:
social norms are rules and expectations by which a society guides the behavior of its members based on the process of social control, the level of political legitimacy and procedural justice practices in the areas of governance, social order is guaranteed. in this study, the independent variables associated with three domains of social control, procedural justice and social capital to norm comp...
abstract background: the prevalence of disordered eating behaviors has been reported to increase in recent decades; therefore, the search for specific psychological variables that may contribute to the etiology of this disorder is of great importance. the current study examined the mediating role of the emotion regulation difficulties on the relationship between body image disturbance and disor...
female heads of households are responsible for the material and spiritual needs of the families because of a deceased, missing, separated, divorced, addicted, disabled (permanent or temporary), imprisonment, ill or military deployed male head of households. survey research was employed in the study. the target population includes rural women heads of households razan city. following cochran’s f...
Customer satisfaction is the extent of favorability a customer receives as a result of different features of a product or service and brings about customer loyalty, and, then, popularity and profit. In the current research, aiming at investigating the extent of the satisfaction of Tehran citizens with services and the staff of Tehran municipality, attempts have been made to evaluate the extent ...
Background: Today, the health system in Iran is struggling with many challenges. Therefore, this study aimed to analyze the challenges affecting the health system development plan from the perspective of hospital managers and employees in Tehran province. Methods: The present study was applied in terms of the purpose, and in terms of data collection method, was survey. The statistical populati...
This research is motivated by whether or not there a relationship between the variables of Instagram content marketing, social media price, and restaurant atmosphere on repurchase intention. study aims to analyze effect marketing Instagram, intention in restaurants bars. The method used causal method. test variable causes changes other not. was conducted 384 consumers at bars South Jakarta. Res...
Objective: The aim of this study was to predict addiction potential based on the quality of working life and academic burnout among university students. Method: All the employed students both in Azad and State universities of Tehran in the academic year 2017-18constituted the statistical population of this study. Using Cochran formula, 384 people were required to be selected as the sample units...
background: today prevalence of overweigh and obesity is increasing in most parts of the world. obesity plays an important role in creating health poverty in women and decreasing life span. the most common formula to assess physical health is body mass index (bmi). the present research was conducted to determine related factors (personal and reproductive characteristics) with women's bmi. metho...
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