A Group of Researchers Wanted to Know Whether a New

question 3

Multiple Choice

A group of researchers wanted to know whether a new portable, online gas analysis system provided an accurate measure of VO₂ max. To assess whether the VO₂ max measures were sufficiently accurate a group of participants performed an incremental exercise test using the new portable system. The test was then repeated one week later, but this time using Douglas bags. How would you define this type of validity?

• A) Concurrent validity
• B) Content validity
• C) Criterion validity
• D) Predictive validity

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Definitions:

Total Sum

The aggregate or overall total of a series of numbers or quantities.

Squares

In mathematics, the result of multiplying a number by itself.

Factor A

Represents an independent variable or input in an experiment or study that is manipulated to observe its effect on a dependent variable.

Residual Variance

The variance in observations not explained by the independent variables in a regression model, representing the unpredicted part of a dependent variable.