The nutrition for sport knowledge questionnaire (NSKQ): development and validation using classical test theory and Rasch analysis.

ABSTRACT:

Background

Appropriate dietary intake can have a significant influence on athletic performance. There is a growing consensus on sports nutrition and professionals working with athletes often provide dietary education. However, due to the limitations of existing sports nutrition knowledge questionnaires, previous reports of athletes' nutrition knowledge may be inaccurate.

Methods

An updated questionnaire has been developed based on a recent review of sports nutrition guidelines. The tool has been validated using a robust methodology that incorporates relevant techniques from classical test theory (CTT) and Item response theory (IRT), namely, Rasch analysis.

Results

The final questionnaire has 89 questions and six sub-sections (weight management, macronutrients, micronu

SUBMITTER: Trakman GL 

PROVIDER: S-EPMC5543556 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature