Stress in pregnancy can lead to low-birth-weight and preterm babies and to psychological consequences such as anxiety and depression during pregnancy and the puerperium. Previous scales to measure stress contain items that overlap with the symptoms of pregnancy. A stress scale was developed based on in-depth interviews with pregnant women in Pakistan. Construct validity, test-retest reliability...

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...

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...