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...

Establishing adequacy of psychometric properties of an instrument involves acquisition and evaluation of evidence based on item content and internal structure. Content validity evidence consists of subject matter experts providing quantitative ratings of the extent to which items are a representative sample of targeted domain. Evidence of internal structure includes factor analytic studies and ...

This report examines the construct of information systems quality. It is measured with the use of four questionnaire items that elicit perceptions of quality from the end users of the information system. These items query the level of functionality, information sufficiency, response time, flexibility, ease of use and overall quality of the system. The representational assumptions of the instrum...

the clinical copd questionnaire (ccq) has been developed to measure the health status of copd patients. the aim of this study was to translate ccq into the persian language and assess the validity and reliability of the translated version. we used a forward-backward procedure to translate the questionnaire. in a cross-sectional study 100 copd patients and 50 healthy subjects over 40 years old w...

background fear of falling (fof) is highly common in people with parkinson disease (pd). fear of frequent falling arises from risk factors in pd. objectives one of the most common tools used to measure fof in patients with pd is the survey of activities and fear of falling in the elderly (saffe), but no studies have been conducted on its reliability and validity in iran. the current study attem...

The aim of this study was to assess the construct validity of the Adolescent Resilience Scale which measures the psychological features of resilient individuals. Research involving this scale, the Negative Life Events Scale, and the General Health Questionnaire was conducted with a group of 207 Japanese undergraduate students (104 men and 103 women; M age=20.2 yr., SD=.9). A cluster analysis fo...