This article is a continuation of the previous module on designing questionnaires and clinical record form in which we have discussed some basic points about designing the questionnaire and clinical record forms. In this section, we will discuss the reliability and validity of questionnaires. The different types of validity are face validity, content validity, criterion validity, and construct ...

background: low health literacy (hl) of patients has obtained more attention as a risk factor for poor adherence to treatment and adverse outcomes in chronic disease’s management particular in diabetes care. diabetes numeracy test‑15 (dnt‑15) has been developed specifically for this purpose. the objective of the current study is to evaluate psychometric properties of iranian (persian) version o...

introduction: objective structured clinical examination (osce) is used for the evaluation of the clinical competence in medicine for which it is essential to measure validity and reliability. this study aimed to investigate the validity and reliability of osce for residents of obstetrics and gynecology at kermanshah university of medical sciences in 2011. methods: a descriptive-correlation stud...

Parenting style experienced during childhood has profound effects on children's futures. Scales developed in other countries have never been validated in the Tibetan context. The present study aimed to examine the construct validity and reliability of a Tibetan translation of the 23-item short form of the Egna Minnen Beträffande Uppfostran [One's Memories of Upbringing] (s-EMBU) and to test the...

Many large-scale surveys measure subjective well-being (SWB) through a single survey item. This paper takes advantages of response time data to explore the relation between time taken to answer a single SWB item and the reliability and validity of answers to this SWB item. We found that reliability and validity of answers to the SWB item are low for fast respondents aged 70 and above and slow r...

introduction: methodologically correct assessment of patient satisfaction (ps) plays a crucial role for quality-improvement purposes. evaluation of iranian literature on emergency department’s ps resulted in an emerging need for developing a new instrument with satisfactory psychometric properties. the present study, aimed to develop and initially validate a scale to measure ps in emergency dep...

background pittsburgh sleep quality index (psqi) is one of the most important instruments frequently used to assess sleep quality. this questionnaire is used to assess sleep styles and quality in adults through seven dimensions. objectives the study aims to investigate the reliability, validity and factor structure of the persian version of psqi. materials and methods a survey method with quant...