Which of the Following Statements Is Most True of Comparison

question 47

Multiple Choice

Which of the following statements is most true of comparison groups?

• A) The use of a comparison group poses a threat to internal validity.
• B) They represent a group of employees who do not attend training.
• C) Employees in a comparison group have personal characteristics that are different from others.
• D) They increase the possibility that changes found in outcome measures are due to factors other than training.

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Definitions:

Unit Increase

A term used to describe a single step increase in the value of an independent variable and its effect on the dependent variable in a model.

Regression Equation

An equation that represents the relationship between dependent and independent variables, used to predict outcomes.

Holding Constant

A method in statistical analysis where certain variables are kept fixed to isolate the effect of one or more variables under investigation.

Unit Increase

Refers to an increment or rise by one unit in the value of a specific variable or quantity.