background: the endometriosis health profile-30 (ehp-30) is a disease-specific questionnaire to measure the health-related quality of life in patients with endometriosis. the aim of this study was to evaluate the validity and reliability of the persian version of endometriosis health pro-file (ehp-30) in women with endometriosis referring to three gynecology clinics in tehran, iran. methods: on...

background: alexithymia as a cluster of cognitive and affective deficits has been studied for its ability to predict a variety of psychological disorders. given its clinical importance, various self-report questionnaires have been developed to measure alexithymia. the aim of this study was to determine the psychometric characteristics of persian version of the toronto alexithymia scale-20 (ftas...

financial literacy of investors reduces uncertainty on future decisions and increases predictability of investment policies in financial markets. thus, the lack of clear information on financial markets is a determining factor in the arrival of domestic and foreign capitals and their quick exit in case of crisis. the lack of transparency and basic knowledge on decisions and failure to provide r...

AIMS To compare the psychometric qualities of six fatigue questionnaires in a sample of working persons. METHODS Internal consistency and test-retest reliability, content validity, convergent validity, and the dimensionality of the fatigue instruments were explored. RESULTS All scales had a satisfactory internal consistency. Furthermore, based on factor analyses and Mokken scale analyses, a...

The current study was conducted to determine whether participants respond differently to online questionnaires presenting all items on a single webpage versus questionnaires presenting only one item per page, and whether participants prefer one format over the other. Of participants seeking self-help treatment on the Internet (for depression, social phobia, or panic disorder), 710 completed fou...

 The pandemic COVID19 implied drastic changes in the world, including educational institutions. According to Comisión Económica para América Latina (CEPAL), 32 countries closed schools disturbing life of more than 165 millions students and, course professors also. To find out how educators felt during period, several questionnaires can be used: Effort-Rewards Imbalance, Engagement, Burnout...