Which of the Following Is an Example of a Preexperimental

question 62

Multiple Choice

Which of the following is an example of a preexperimental design?

• A) the one-group pre-post study design
• B) the Solomon design
• C) the pre-post control-group design
• D) the posttest-only control-group design

---

Definitions:

Interaction Effect

In statistics, it refers to a situation in which the effect of one independent variable on a dependent variable changes depending on the level of another independent variable.

Marginal Mean

The mean of the subset of observations that contribute to the marginal total, providing insight into specific group effects within a larger dataset.

Factorial Designs

Experimental designs used to evaluate the effects of two or more factors by varying them simultaneously and systematically.

Interaction Effects

A statistical concept where the effect of one independent variable on the dependent variable differs across the levels of another independent variable.