A Sports Nutritionist Undertook a Study to Examine the Impact

question 1

Multiple Choice

A sports nutritionist undertook a study to examine the impact of a reduction in protein intake and team performance, which showed a statistical significance between reduced protein intake and increased team performance. How can she explain to her manager that this does not mean she should start removing protein from the team's diet?

• A) A significant result does not mean that the effect is important
• B) A significant result means that the effect is strong.
• C) A significant result means that the effect is not relevant.
• D) A significant result means that the effect is weak.

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Definitions:

Multiple Regression

A statistical method leveraging numerous independent variables to predict the behavior of a response variable.

Linear Regression

A statistical method used to model the relationship between a dependent variable and one or more independent variables, assuming a linear relationship.

Independent Variable

The treatment variable that is manipulated or the predictor variable in a regression equation.

Repeated-Measures ANOVA

A type of analysis of variance that involves multiple measurements of the same individuals under different conditions.