Identify Cases, Variables and Any Units

question 16

Multiple Choice

Identify cases, variables and any units.
-The Human Resources Department of a large corporation maintains records on its
Employees. Data are maintained of the following variables: Age, Employment Category,
Education, Whether or not the employee participates in a wellness program, and
Paycheck benefit deductions. Which of these variables are categorical?

• A) Age, Employment Category, and Education
• B) Employment Category, Education, and Whether or not the employee participates in a wellness program
• C) Education, Whether or not the employee participates in a wellness program, and Paycheck benefit deductions
• D) All of the variables
• E) None of the variables

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Definitions:

Dependent Variable

In experimental research, the variable that is observed and measured to determine the effect of the independent variable, reflecting outcomes or changes.

External Validity

The extent to which the results of a study can be generalized to other situations and to other people.

Internal Validity

The extent to which a study can demonstrate that a causal relationship exists between variables, free from external influences.

Construct Validity

The extent to which a test measures what it claims to be measuring, in the context of psychological testing and research.