There is a dearth of research in aquatic motor competency, a key requirement for primary physical education in order to become physically literate. This study proposes a new assessment protocol for aquatic motor competence and sets out to examine the validity of the Aquatic Movement Protocol (AMP) in children between 7 and 9 years of age. Testing…

Aim: To examine the latent structure of the "Test of Gross Motor Development--Third Edition" (TGMD-3) with a bifactor modeling approach. In addition, the study examines the dimensionality and model-based reliability of general and specific contributions of the test's subscales and measurement invariance of the TGMD-3. Methods: A…