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. Met...

PURPOSE The purposes of this study were to evaluate interrater reliability using videotapes and criterion-related and construct validity of the Gross Motor Function Classification System (GMFCS), aspects of reliability and validity not previously published. METHODS Two experienced pediatric physical therapists rated 30 videotapes of children with cerebral palsy (CP) or Down syndrome (DS) to t...

OBJECTIVE This study was used to (1) develop an occupational therapy screening questionnaire (the Handwriting Proficiency Screening Questionnaire [HPSQ]) to identify handwriting difficulties among school-aged children and (2) examine its reliability and validity. METHOD The questionnaire's content validity was established. Internal consistency, interrater and test-retest reliability, and conc...

background: outstanding leadership is one of the important and vital concepts in management and educational leadership debates especially in educational organizations such as universities. thus, effective educational leadership and adopting an appropriate tool to assess leadership in education are crucial in these institutions. the present study was conducted to develop an instrument for measur...