Mark Takes a Test to Measure His General Level of Anxiety.After

question 59

Multiple Choice

Mark takes a test to measure his general level of anxiety.After taking the test, Mark realizes that the test contains questions only on the physical symptoms of anxiety and no questions on the cognitive symptoms, which are equally important aspects of the phenomenon of anxiety.In this case, the test mostly lacks

• A)alternate-form reliability.
• B)content validity.
• C)test-retest reliability.
• D)predictive validity.

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Definitions:

Significance Level

A threshold for determining the statistical significance of a test result, often denoted by alpha (α).

Standard Deviation

An indicator of the degree of variation or spread among a collection of numbers.

Confidence Interval

A range of values, derived from the sample data, that is likely to contain the value of an unknown population parameter with a specified level of confidence.

Monthly Incomes

The total amount of income or earnings received during a typical month, often used in financial and socioeconomic studies.