Background and aims: Safety culture of an organization is an essential strategy to reduce occupational accidents, and many industries around the world have shown their willingness to consider the concept as an approach to reduce daily incidents and potential disasters. The aim of this study is to design a valid tool for measuring safety culture, which is based on a model of the International At...

Objective: The main purpose of the present study was to evaluate psychometric properties of Persian version of WHOQOL-DIS questionnaire in elderly people with disability. Materials & Methods A classical psychometric method was used to evaluate validity and reliability of WHOQOL-DIS questionnaire in elderly people with disability. Lawshe, and Waltz and Bausell methods were used for assessing ...

Background and aims: Just culture is conceptualized as a rational approach to human error and its fallibility. A good evaluation of just culture in an organization is needed to effectively design and implement of preventive measures to reduce the events and injuries. This study aimed to evaluate the psychometric features of the Persian language version of just culture questionnaire (JCQ). &n...

there are two major theories of measurement in psychometrics: classical test theory (ctt) and item-response theory (irt). despite its widespread and long use, ctt has a number of shortcomings, which make it problematic to be used for practical and theoretical purposes. irt tries to solve these shortcomings, and provide better and more dependable answers. one of the applications of irt is the as...

Background and Objective: Regular use of household cleaning products and cosmetics can result in adverse consequences for human health. Therefore, the knowledge of consumption pattern of these products can help to evaluate the effects and finally control the consequences of their inappropriate application. As there is not an appropriate tool for evaluating public use-pattern for these products ...

Introduction: Nosocomial infections increase costs, prolong recovery, cause disability, and death of patients. Adequate knowledge, attitude, and practice of staff play an important role in controlling nosocomial infections. The aim of this study was to design and test psychometer a questionnaire to assess the knowledge, attitude and practice (KAP) of paramedical staff about nosocomial infection...