PURPOSE Instruments to assess physical activity are needed for (inter)national surveillance systems and comparison. METHODS Male and female adults were recruited from diverse sociocultural, educational and economic backgrounds in 9 countries (total n = 2657). GPAQ and the International Physical Activity Questionnaire (IPAQ) were administered on at least 2 occasions. Eight countries assessed c...

This paper describes and analyzes the results of a unique field experiment especially designed to test the effects of the level of commitment and information available to individuals when sharing risk. We find that limiting exogenously provided commitment is associated with less risk sharing, while limiting information on defections can be associated with more risk sharing. These results can be...

BACKGROUND To provide the validated and standardized form of the Persian version of the Ages and Stages Questionnaires as an appropriate developmental screening tool for evaluation of Iranian children's development. METHODS This was a cross-sectional study. Translation and back-translation, content validity determination, cultural and lingual modifications, pilot study on 100 parents and inte...

Background: The aim of the study was to psychometrically characterize the Spanish Short Self-Regulation Questionnaire (SSSRQ) through Rasch analysis. Materials and Methods: 831 Spaniard university students (262 men), between 17 and 39 years of age and ranging from the first to the 5th year of studies, completed the SSSRQ questionnaire. Confirmatory factor analysis (CFA) was carried out in order...

OBJECTIVE To identify currently available generic and disease-specific health-related quality of life (HRQOL) instruments for children and adolescents up to 19 years old, to describe their content, and to review their psychometric properties. STUDY DESIGN Previous reviews on the subject and a new literature review from 2001 to December 2006 (MEDLINE, the ISI Science Citation Index, HealthSTAR...

BACKGROUND Immersive patient simulators (IPSs) combine the simulation of virtual patients with a three-dimensional (3D) environment and, thus, allow an illusionary immersion into a synthetic world, similar to computer games. Playful learning in a 3D environment is motivating and allows repetitive training and internalization of medical workflows (ie, procedural knowledge) without compromising r...

BACKGROUND Although there is evidence that client expectations influence client outcomes, a valid and reliable scale for measuring the range of client expectations for both massage therapy and the behaviors of their massage therapists does not exist. Understanding how client expectations influence client outcomes would provide insight into how massage achieves its reported effects. PURPOSE To...

The development and validation of a short and simple measure of perceived health problems is described. Extensive testing with selected groups, including the elderly, the chronically ill, pregnant women, fracture victims, and a random sample of the community has established the face, content and criterion validity, and the reliability of the instrument. The Nottingham Health Profile is intended...

PURPOSE We investigated the validity and reliability of the Revised Two Factor Study Process Questionnaire (R-SPQ2F) in preclinical students in Ghana. METHODS The R-SPQ2F was administered to 189 preclinical students of the University for Development Studies, School of Medicine and Health Sciences. Both descriptive and inferential statistics with Cronbach's alpha test and factor analysis were ...