The reliability of the reactive strength index (RSI) and time to stabilization (TTS) during maximal-effort plyometric depth jumps was examined. Twenty-two subjects performed three depth jumps from a height of 30 cm. Measures such as height of jump (JH), ground-contact time (CT), RSI, and TTS were obtained and analyzed for reliability using Cronbach alpha reliability coefficient and intraclass c...

OBJECTIVE To carry out initial psychometric testing on the Simple Lifestyle Indicator Questionnaire (SLIQ). DESIGN Self-administered questionnaire to obtain data for test-retest reliability, for Cronbach alpha testing on completed questionnaires, and for blinded external validity testing. SETTING Kingston, Ont, and surrounding area. PARTICIPANTS One hundred thirty-six family practice pati...

OBJECTIVE To translate into Arabic and validate the SF-36 quality of life index in a Tunisian Arabic population. BACKGROUND No validated Arabic quality of life index is published. DESIGN Arabic translation of the SF-36 scale was obtained by the "forward/backward translation" method. Adaptations were made after a pilot study involving 22 subjects from general population. Inter-rater reliabil...

The aim of this study was to develop a scale to determine the educational usage of mobile communication apps among teacher candidates. 52 draft statements were prepared by researchers through literature review and opinions of teacher candidates. Statements were reduced to 40 statements based on expert opinions. The draft scale was administered to 412 teacher candidates who applied to the Pedago...

For nearly 40 years, it has been asserted (see, e.g. Cronbach, 1958, 1992; Cronbach & Furby, 1970; Cronbach & Gleser, 1953; Edwards, 1994; Edwards & Cooper, 1990; Johns, 1981; Wall & Payne, 1973; Werts & Linn, 1970) that difference scores suffer from various methodological problems (about which more anon). In their position statement, Tisak and Smith argue that some of these problems have been ...

BACKGROUND This study was planned in an attempt to develop a scale for the quality of life in pediatric oncology patients aged 7-12, with child and parents forms. MATERIALS AND METHODS In collecting the study data, we used the Child and Parent Information Form, Visual Quality of Life Scale, Scale for Quality of Life Pediatric Oncology Patients Aged 7-12 and the Scale for the Quality of Life i...

OBJECTIVES The goal of the present study was to evaluate the reliability and validity of the Korean version of the tinnitus handicap questionnaire (THQ-K). METHODS A total of 60 patients were included in this study. Patients responded to the THQ-K, the tinnitus handicap inventory (THI), Beck's depression index (BDI), and the visual analogue scale (VAS) for loudness and pitch, loudness match, ...

OBJECTIVE To assess the reliability of the Kids' Activity and Nutrition Questionnaire (KAN-Q) as part of a tiered process for developing Supplemental Nutrition Assistance Program-Education tools. METHODS The KAN-Q was administered at 2 time points to assess internal consistency using standardized values of Cronbach α and test-retest reliability using the intraclass correlation coefficient for...

OBJECTIVES To assess the reliability and validity of the Brazilian version of the Attentional Function Index. METHOD Methodological study. The sample was made up of 138 students from an undergraduate nursing course. The psychometric properties were assessed through the convergent construct validity, using the Brazilian version of the Attentional Function Index and the Portuguese-language vers...