The Null Hypothesis for a Repeated-Measures Test States

question 26

Multiple Choice

The null hypothesis for a repeated-measures test states:

• A)each individual will have a difference score of D = 0.
• B)the overall sample will have a mean difference of MD = 0.
• C)the entire population will have a mean difference of μD = 0.
• D)All of the other options are correct.

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Definitions:

Standard Deviation

A statistical measurement that quantifies the dispersion or spread of a set of data points around the mean.

Raw Scores

A raw score is the initial, unadjusted score obtained directly from the number of questions answered correctly on a test or assessment.

Test-retest Reliability

The consistency of test scores obtained by the same individuals over successive administrations of the same test.

Percentile

A statistical measure indicating the value below which a given percentage of observations in a group of observations fall.