If People Who Take a Test Twice Usually Get About

question 19

Multiple Choice

If people who take a test twice usually get about the same score both times,what can we conclude?

• A)The test is standardized.
• B)The test is unbiased.
• C)The test has high validity.
• D)The test has high reliability.

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Definitions:

Descriptive Statistics

Statistical procedures used to summarize, organize, and simplify data, including measures of central tendency and variability.

Inferential Statistics

Statistical methods that allow researchers to make inferences or predictions about a population based on a sample of data.

Measures of Variation

Statistical tools used to describe the distribution or spread of a data set, including range, variance, and standard deviation.

Statistically Significant

A determination in statistical analysis that an observed difference or relationship is unlikely to have occurred by chance.