INTRODUCTION The Pittsburgh Sleep Quality Questionnaire is capable of covering different stages of sleep, and it is regarded as one of the best ones available, and checking for its validity and reliability among depressed patients is a step in this direction. The aim of this study was to evaluate the reliability and validity of the Persian version of the Pittsburgh Sleep Quality Index (PSQI) an...

OBJECTIVE To determine the reliability and validity of the Revised Dyadic Adjustment Scale (RDAS) with 14 items (short form) in Iranian population. METHODS The English version of the RDAS was translated into Persian. Then, Persian version was retranslated to English. To study factor structure 338 questionnaires were filled out by parents of elementary students. Other measurement tools were Th...

Background: Katz Index is a well-known index for assessing basic activities of daily living. The aim was to determine validity and reliability of the Katz Index in Iranian patients with acute stroke. Methods: Eighty-seven patients (56 male, 31 female) with acute stroke (1-30 days post-stroke) participated in this psychometric properties study. Interval time for retest was 14 days. All participa...

BACKGROUND The purpose of the present study was to evaluate the psychometric properties (validity and reliability) of the Persian version of the Sustained Auditory Attention Capacity Test in children with attention deficit hyperactivity disorder. METHODS The Persian version of the Sustained Auditory Attention Capacity Test was constructed to assess sustained auditory attention using the metho...

STUDY DESIGN Prospective study. PURPOSE We aimed to validate the Persian version of the modified Oswestry disability questionnaire (MODQ) in patients with low back pain. OVERVIEW OF LITERATURE Modified Oswestry low back pain disability questionnaire is a well-known condition-specific outcome measure that helps quantify disability in patients with lumbar syndromes. METHODS To test the vali...

BACKGROUND In recent decades there has been increasing focus on developing and localizing quality of life (QOL) instruments in different societies. In this study, we aim to translate WHO's Quality of Life WHOQOL-100 questionnaire into the Persian language and assess the validity and reliability of the translated version. METHODS   We used a forward-backward procedure to translate the question...

OBJECTIVE The aim of this study is to explore the confirmatory factor analysis results of the Persian adaptation of Abbreviated Math Anxiety Scale (AMAS), proposed by Hopko, Mahadevan, Bare & Hunt. METHOD The validity and reliability assessments of the scale were performed on 298 college students chosen randomly from Tabriz University in Iran. The confirmatory factor analysis (CFA) was carrie...

BACKGROUND The quality of life (QOL) is an important indicator for disease-severity classification and outcome measurement in obtaining treatment sinonasal diseases. The sinonasal outcome test 22 (SNOT 22) questionnaire has been introduced as the best specific sinonasal instrument for QOL measurement. OBJECTIVES To prepare a valid and reliable Persian language version of SNOT 22 questionnaire...

Validity and Reliability of the Persian Version NPQ Neck Pain Assessment Questionnaire among Iranian Housekeeping Company Workers

OBJECTIVE The aim of this study is to explore the confirmatory factor analysis results of the Persian adaptation of Statistics Anxiety Measure (SAM), proposed by Earp. METHOD The validity and reliability assessments of the scale were performed on 298 college students chosen randomly from Tabriz University in Iran. Confirmatory factor analysis (CFA) was carried out to determine the factor stru...