The Extent to Which a Study Actually Measures What It

question 81

Multiple Choice

The extent to which a study actually measures what it is supposed to measure is called:

• A)reliability.
• B)validity.
• C)plausibility.
• D)credibility.
• E)sustainability.

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Definitions:

Standard Error

A statistical measure that estimates the accuracy with which a sample distribution represents a population by quantifying the variation between sample means if the experiment were repeated.

Sample Contrast

The comparison between different subsets or samples within a study to identify variations or patterns.

Mean Square Error

A statistical measure indicating the average of the squares of the errors or deviations—i.e., the difference between the estimator and what is estimated.

F Statistic

A ratio used in statistical analysis to determine the relationship between variances and to test hypotheses about the means of several populations.