Background Careful site selection methods and tools such as questionnaires have evolved to become “best” practice in the commercial and non-commercial clinical trials setting. However, there is little evidence in the literature of the value of such methodology on trial delivery and there is no generally acceptable model or tool available for use in site selection. The Nottingham Clinical Trials...

background: several instruments have so far been developed in english language to measure the level of work-family conflict and further validation is required for non-english speakers. objective: to test factorial structure and construct validity of the persian version of work-family conflict scale among iranian nurse. methods: this study was conducted among 456 iranian nurses working at public...

the research analyzed the land tenure system among rice farmers in awe local government area of nasarawa state, nigeria. two hundred and forty (240) farmers were sampled by a multi stage sampling procedure and used as respondents for the study. well-structured questionnaires were used for data collection. the main means of data analysis were percentages and correlation. findings revealed that 4...

purpose: the present study was to investigating the role of theory of mind and empathy in predicting behavioral-emotional problems in students from typical and divorce families that done the cause-comparison and correlation method. methodology: the subjects were 293 of the girl students of fifth and sixth grades which were selected by multi-stage cluttering sampling method. the tools are three ...

OBJECTIVES The aim is to achieve the standard tools for heart health, the present study aimed to design, develop, and standardize the two questionnaires of perceived heart risk scale (PHRS) and heart health literacy scale (HHLS). METHODS The present study was a methodological research conducted on the residents of Kermanshah Province, Iran, using the multi-stage cluster sampling. Further, con...

according to interactions in multiple grade classes, the present study aims to compare different class compositions in three different groups of fourth-grade multiple grade students in implicit learning and academic achievement. statistical population consists of all fourth grade public elementary school students in piranshahr. 3 groups of students including 8 girls and 8 boys were randomly sel...