background different measuring tools have been used to understand the outcomes of renal replacement therapies. the goal of renal transplantation is both to ensure survival, and to promote quality of life in the patients. one of the widely used disease-specific instruments to measure the quality of life is the kidney transplant questionnaire (ktq-25). objectives the current study aimed to perfor...

Coefficient alpha has been a widely used measure by which internal consistency reliability is assessed. In addition to essential tau-equivalence and uncorrelated errors, normality has been noted as another important assumption for alpha. Earlier work on evaluating this assumption considered either exclusively non-normal error score distributions, or limited conditions. In view of this and the a...

purpose :   the present study investigated the psychometric properties of a malaysian adapted brunel mood scale.   methods:   the questionnaire was administered to 355 young sport athletes with a mean age of 14.69 + 1.70 years. confirmatory factor analysis (cfa) and cronbach's alpha were used to determine the factorial validity and the internal consistency of the questionnaire respectively. res...

Our aim was to compose a Turkish version of the Tinnitus Handicap Inventory (THI). Each of two individuals independently translated and retranslated the English version of the THI, and it was adapted by an expert team. The Turkish version of the THI was completed by 110 tinnitus patients. We assessed the internal consistency and reliability of the Turkish version by Cronbach's alpha. We assesse...

OBJECTIVE To compare the reliability and convergent validity of instruments assessing quality of life in Brazilian older adults. METHODS Cross-sectional study of 278 literate, community-dwelling older adults attending a municipal university for the elderly in Sao Carlos, SP, Southeastern Brazil between 2006 and 2008. The Brazilian versions of the SF-36 and WHOQOL-BREF instruments to assess qu...

OBJECTIVE To evaluate the reliability and validity of the Spanish version of the NewCastle Asthma Knowledge Questionnaire (NAKQ) for determining asthma knowledge in teachers. METHODS DESIGN AND SAMPLE A cross-sectional observational study in educational centers of A Coruña providing preschool, primary school and/or compulsory secondary education. Centers were selected by random sampling, s...

BACKGROUND The Child Perceptions Questionnaire for children aged 11 to 14 years (CPQ11-14) is a 37-item measure of oral-health-related quality of life (OHRQoL) encompassing four domains: oral symptoms, functional limitations, emotional and social well-being. To facilitate its use in clinical settings and population-based health surveys, it was shortened to 16 and 8 items. Item impact and stepwi...

The purpose of this study was to examine the reliability of the preliminary Spanish version of the Sport Imagery Questionnaire (SIQ). The SIQ was developed to examine five cognitive and motivational functions of imagery use. Participants were 81 athletes competing in soccer (n = 43) and roller skating (n = 38), ranging in age from 14 to 29 years (M = 18.10, SD = 3.16). Reliability was evaluated...

background: the aim was to assess the reliability and the validity of the translated version of the stroke specific quality of life (ss-qol) questionnaire in iranian post-stroke patients. methods: this project was performed at the shiraz university of medical sciences, shiraz, iran, between 12  april  2010  and  24  february 2011.  the  english version of the ss-qol was translated into persian ...