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Validity in Psychological Tests

In everyday language, the term validity is typically used to describe something as being trustworthy or legit. It's meaning in psychology suggests something similar—it's all about whether we can trust ...
BMJ

Criterion-related validity of field-based fitness tests in youth: a systematic review

1 Department of Physical Education, School of Education, University of Cadiz, Puerto Real,Spain 2 Department of Physiology, School of Medicine, University of Granada, Granada, Spain The objective of ...
Nature

The criterion validity of a last 7-day physical activity questionnaire (SAPAQ) for use in adolescents with a wide variation in body fat: the Stockholm Weight Development Study

The aim of the present study was to assess the criterion validity of a newly developed self-reported last 7-day physical activity questionnaire (SAPAQ) for use in Swedish adolescents with a wide ...