Additional file 1 of Show cards of the Global Physical Activity Questionnaire (GPAQ) – do they impact validity? A crossover study

journal contribution

posted on 2020-02-13, 05:23 authored by Kevin Rudolf, Florian Lammer, Gerrit Stassen, Ingo Froböse, Andrea Schaller

Additional file 1. Illustration of the GPAQ show cards.

Funding

German Federal Ministry of Education and Research

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Keywords

Physical activity assessment Accelerometry Instrument psychometrics Measurement Methods

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