نتایج جستجو برای: stepwise factor analysis
تعداد نتایج: 3487318 فیلتر نتایج به سال:
مزارع برنج از جمله اکوسیستم های خشکی هستند که از شرایط محیطی مناسبی برای رشد و انتشار سیانوباکتری ها برخوردارند. جنس anabaena bory ex bornet et flahault از جمله مهمترین جلبک های سبز-آبی رشته ای دارای هتروسیست در این اکوسیستم های خشکی به شمار می آید. در مطالعه حاضر، ایزوله های مختلف از این جنس، از خاک مزارع برنج 7 استان دارای کشت برنج واقع در مناطق شمالی، جنوبی، شرقی، غربی و مرکزی کشور، از اردیب...
The aim of this study was to evaluate the effect of club's social responsibility on the fan's intention to purchasing the sponsors products. Population of this study was consists of the fans of three teams that selected of the Iranian Football Pro League. By using the formula to determine the sample size, it for infinite population obtained 384. For data collection, the social responsibility qu...
Factor and principal component analyses are widely used in different sciences especially in agricultural science. To determine the factors that create variation between potato cultivars, in normal (non-stress) and water deficit (stress) conditions, two experiments were conducted in the form of randomized complete block design with three replications in summer 2002. Stepwise regression analysis ...
the present study aimed to investigate the role of personality characteristics, identity style and commitment in prediction of the academic procrastination among the high school students. research method was descriptive and correlational. using multistage cluster-random sampling, 450 high school students (225 males, 225 females) were selected from the city of tehran. all the participants were a...
four rapeseed cultivars (hayola 401, hayola 308, rgs and option) were evaluated for some physiological traits under stress (50 % field capacity (fc) and non-stress (irrigated) conditions. the factorial set of treatments was arranged within a randomized complete block design with three replications. the collected data were analyzed using path and factor analyses. these is results showed that bas...
this research which aims to survey the relation between tobacco leaf yield and its components is done by using 118 varieties of tobacco in a research farm of guilan tobacco research institute. regarding to five random selections of plants, twenty three traits of each variety were evaluated. correlation between dry matter of leaf yield with plant height, stem diameter, leaf length, leaf width, l...
abstract aim and materials: the aim of current study was to investigate the role of the personality traits and psychological health in staff's job satisfaction. methods and materials: using available sampling method 110 people of kharazmi university administrative staff were selected and assessed by big five factor of personality questionnaire, psychological health questionnaire and spector’s j...
Purpose: The present study was conducted with the aim of presenting a professional development model for high school teachers. Methodology: The research is applied in terms of purpose and exploratory in terms of mixed method. In the qualitative section, the statistical population included all experts in education and training sciences in Tehran that a sample of 15 people was selected by purposi...
backgrounds: situation awareness is an important factor in industrial accidents. improving situation awareness may help to prevent occupational accidents. determination of factors influencing situation awareness will help to plan and take measures for betterment of working condition and development of a safer workplace. in this study, we examined the role of work overload and job stress in pred...
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