Objective: To evaluate the reliability and validity of a brief physical activity assessment tool suitable for doctors to use to identify inactive patients in the primary care setting. Methods: ...

chw.edu.au Objective—To assess the test-retest reliability and validity of the physical activity questions in the World Health Organisation health behaviour in schoolchildren (WHO HBSC) survey.

Consumer Reports receives a wide range of questions from enthusiasts and the auto industry looking for a deeper understanding of the methodology used in the reliability section of our latest ...

The National Academies of Sciences, Engineering, and Medicine are the nation's pre-eminent source of high-quality, objective advice on science, engineering, and health matters. Top experts participate ...

Learn More AI agents have safety and reliability problems. Although agents would allow enterprises to automate more steps in their workflows, they can take unintended actions while executing a ...

How are cars holding up? The reliability history charts, included on each car model page present the most comprehensive reliability information available to consumers. (To find our ratings and ...

IndyCar introduced in July hybrid technology, but its reliability remains an issue two races into a new season. IndyCar president Doug Boles placed blame on teams, though admitted to trying to ...

For instance, adults ages 50 and older are more likely than younger adults to say they are not very or not at all confident in its reliability and safety (71% vs. 55%). There are also differences ...

What Effect Does Having a Larger Sample Size for Some Vehicles Compared With Others Have on the Validity of the Reliability Data? Given an appropriate sample, the more data you have, the more ...