A Researcher Interested in the Effects of Interval Training on VO₂

question 19

Multiple Choice

A researcher interested in the effects of interval training on VO₂ max reported an increase following the intervention when in reality there was no improvement. What type of error has occurred?

• A) Type I
• B) Type II
• C) Type IIA
• D) Type IIB

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Definitions:

Probability

The measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Sampling Error

Refers to the difference between the population parameter and the sample statistic due to the fact that the sample is not a perfect representation of the population.

Statistical Error

The difference between a measured or observed value and the true value, often arising from sampling or measurement limitations.

Random Factors

Variables in an experiment that are randomly varied to assess their incidental effects on the outcome, as opposed to systematically manipulated factors.