Browsing Brage NIH by Subject "validation"
Now showing items 1-10 of 10
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A new training assessment method for alpine ski racing: Estimating center of mass trajectory by fusing inertial sensors with periodically available position anchor points
(Journal article; Peer reviewed, 2018)In this study we present and validate a method to correct velocity and position drift for inertial sensor-based measurements in the context of alpine ski racing. Magnets were placed at each gate and their position determined ... -
Does self-perception equal the truth when judging own body weight and height?
(Peer reviewed; Journal article, 2021)Background: Data from the research project “Fitness clubs—a venue for public health?” provided an opportunity to evaluate the accuracy of self-reported body weight and height, and subsequent Body Mass Index (BMI), as well ... -
Establishing the convergent validity of the travel habit questions in the health behavior in school-aged children questionnaire by quantifying active travel in Norwegian adolescents
(Peer reviewed; Journal article, 2022)Background: Active travel (cycling or walking to school) can be a substantial part of adolescents' daily physical activity. Research on transport activities primarily relies on self-reported indices of travel mode and ... -
Psychometric evaluation of the Norwegian versions of the modified Group Environment Questionnaire and the Youth Sport Environment Questionnaire
(Peer reviewed; Journal article, 2021)This study aimed to translate the modified Group Environment Questionnaire (GEQ) and the Youth Sport Environment Questionnaire (YSEQ) into Norwegian, examine the factor structure and reliability of the scales through ... -
Referee efficacy in the context of Norwegian soccer referees – A meaningful construct?
(Journal article; Peer reviewed, 2018)Objectives: The purpose of this study was two-fold. Firstly, to examine the measurement/factorial validity and invariance of the Referee Self-Efficacy Scale (REFS) among Norwegian soccer referees. Secondly, extending scale ... -
A standard calculation methodology for human doubly labeled water studies
(Peer reviewed; Journal article, 2021)The doubly labeled water (DLW) method measures total energy expenditure (TEE) in free-living subjects. Several equations are used to convert isotopic data into TEE. Using the International Atomic Energy Agency (IAEA) DLW ... -
The effect of different global navigation satellite system methods on positioning accuracy in elite alpine skiing
(Journal article; Peer reviewed, 2014-10-03)In sport science, Global Navigation Satellite Systems (GNSS) are frequently applied to capture athletes’ position, velocity and acceleration. Application of GNSS includes a large range of different GNSS technologies and ... -
Two short questionnaires on leisure-time physical activity compared with serum lipids, anthropometric measurements and aerobic power in a suburban population from Oslo, Norway
(Peer reviewed; Journal article, 2007-12-19)The aim was to indirectly validate two short postal questionnaires measuring leisure-time physical activity (LPA) by comparing the answers with serum lipids and anthropometric measurements. Methods All inhabitants aged ... -
Validation of self-reported recreational exercise in pregnant women in the Norwegian Mother and Child Cohort Study
(Journal article; Peer reviewed, 2009-03-29)We compared the self-reported frequency of recreational exercise and corresponding metabolic equivalent (MET)-minutes with physical activity measured with a position and motion sensor in pregnant women. One hundred and ... -
Wrist Accelerometer Cut Points for Classifying Sedentary Behavior in Children
(Journal article; Peer reviewed, 2017)Introduction: To examine the validity and accuracy of wrist accelerometers for classifying sedentary behavior (SB) in children. Methods: Fifty-seven children (5-8y and 9-12y) completed a ~170min protocol including 15 ...