________ Refers to an Extraneous Variable Attributable to the Improper

question 15

Multiple Choice

________ refers to an extraneous variable attributable to the improper assignment of test units to treatment conditions.

• A)Instrumentation
• B)Statistical regression
• C)Selection bias
• D)None of the above

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Definitions:

Confidence Interval

A variety of values, based on statistics from a sample, which is conjectured to envelop an obscure population parameter.

P-value

A statistical concept indicating the probability of observing data as extreme as those seen, if the null hypothesis were true, used in hypothesis testing.

Maximum Oxygen Uptake

The highest amount of oxygen an individual can utilize during intense or maximal exercise, indicating aerobic endurance capacity.

Normal Distribution

A bell-shaped curve, which is symmetric about the mean, depicting the distribution of many types of data.