Abstract: The reliability of Likert scale measurements is crucial for ensuring the validity of research findings and the consistency of questionnaire instruments. In this study, we employed Cronbach's ...

Background: To assess outcomes of health services, providers need brief, responsive, reliable, and valid measures that can be implemented in clinical settings with minimal cost and burden. The ...

ABSTRACT: Objective: To develop a screening scale for language and related developmental disorders in 4- to 5-year-old preschool children in China, and to evaluate its reliability and validity, ...

This is a preview. Log in through your library . Abstract This study aimed to test the convergent validity and test–retest reliability of a measure of happiness questionnaire; the authentic happiness ...