PURPOSE Issues related to the validity and reliability of measurement instruments used in research are reviewed. SUMMARY Key indicators of the quality of a measuring instrument are the reliability and validity of the measures. The process of developing and validating an instrument is in large part focused on reducing error in the measurement process. Reliability estimates evaluate the stabili...

BACKGROUND The Children's Assessment of Participation and Enjoyment (CAPE) and the Preferences for Activities of Children (PAC) are 2 measures of children's participation in various activities. The purpose of this study was the validation of the Greek version of "CAPE & PAC." METHODS The questionnaires were translated and pilot tested on a sample of 25 individuals. The reliability and validit...

BACKGROUND Identification of older persons at risk for the loss of independence, onset of (co)-morbidity or functional limitations through screening/assessment is of interest for the public health-care system. To date several different measurement instruments for overall physical function are frequently used in practice, but little information about their psychometric properties is available. O...

CONTEXT Interprofessional education (IPE) is believed to prepare health professional graduates for successful collaborative practice. A range of instruments have been developed to measure the outcomes of IPE. An understanding of the psychometric properties of these instruments is important if they are to be used to measure the effectiveness of IPE. OBJECTIVES This review set out to identify i...

The aim of this study was to determine the validity and reliability of 3 physical activity questionnaires in Greek high school children. Forty children participated in the study aged M = 13.73 (SD 0.8 years). The validation study was conducted by comparing an accelerometer (MTI/CSA Model 7164) to 3 questionnaires: a) Three-day Physical Activity Record (3DPAR), b) Four by One-Day Recall Physical...