نتایج جستجو برای: multi stage sampling
تعداد نتایج: 992420 فیلتر نتایج به سال:
background and objective: different personality aspects including identity styles, self-efficacy, and cognitive abilities can play a certain role in successful learning result in high educational success. we assessed the value of identity styles, self-efficacy and metacognition beliefs for predicting the level of educational success in female high-school students. methods: in a cross-sectional ...
the general purpose of this article is to identify the influencing factors on rural women participation inagricultural extension programs in mazandaran province. therefore, using multi-stage sampling, 300 ruralwomen were selected randomly. the research instrument was a semi-structured questionnaire. results showthat rural women participation in agricultural extension programs is at average leve...
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...
violence against women especially partner violence involves 1/3 of women worldwide. this research is performed with an analytic cross sectional design and its’ purpose is to determine the prevalence of intimate partner violence among married women in medical science catchments area ( tehran university) during the year of 2001. 348 married women were selected from 6 health centers by multi-stage...
objectives: this study was done to assess the some factors which influence on fruit and vegetable consumption among iranian's elderly. methods and materials: this study was a cross sectional study which was done on 400 elderly people through a two stages sampling method. 10 elderly centers were selected from all of elderly centers in tehran. during second stage, a systematic random samplin...
Abstract We suggest a new platform for examination of quantum statistical phenomena in many-body interacting systems – multi-qubit Bose-Einstein-condensate (BEC) trap. Ideally, it is suitable demonstrating manifestations supremacy such through atomic boson sampling excited-state occupations. This wholly different than the linear-interferometer which uses Gaussian non-interacting non-equilibrium...
In recent years, pi-conjugated polymers are attracting considerable interest in view of their light-dependent torsional reorganization around the backbone, which determines peculiar light-emitting properties. Motivated by designing conjugated with tunable photoswitchable pathways, we devised a computational framework to enhance sampling conformational space and at same time estimate ground exci...
Molecule optimization is a fundamental task for accelerating drug discovery, with the goal of generating new valid molecules that maximize multiple properties while maintaining similarity to input molecule. Existing generative models and reinforcement learning approaches made initial success, but still face difficulties in simultaneously optimizing properties. To address such challenges, we pro...
the study is an analysis of processing methods, marketing channels, and profitability determinants of selected cassava products in kogi state, nigeria. the study was carried out in kogi east senatorial district of the state. a multi-stage sampling technique was employed in the selection of 120 respondents from whom information were collected and analyzed. the data used for the study were collec...
this research was conducted with the purpose of analyzing improvement mechanisms of human resource development (hrd) in agriculture faculties. this survey research was descriptive-explanatory. the population of this research consisted of all agricultural faculty members of iran universities (n=1178). data was collected using multi-stage random sampling method. finally, 248 questionnaires were c...
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