What Are the Differences Between the Simple Quasi-Experimental Pretest-Posttest Design

question 20

Multiple Choice

What are the differences between the simple quasi-experimental pretest-posttest design and an experimental version of the same design with a control group, in which there is random assignment to group?

• A)This experimental design controls for the effects of more extraneous variables than does the quasi-experimental one.
• B)Subjects are blind to group assignment in the experimental design but not in the quasi-experimental design.
• C)In the experimental version, there is better construct validity.
• D)This experimental design controls for the history threat to internal validity, whereas the quasi-experimental one does not.
• E)This experimental design controls for the testing threat to internal validity, whereas the quasi-experimental one does not.

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Definitions:

Nominal Scale

A classification system where numerical or non-numerical data are categorized without a natural order or ranking.

Measurement

The process of quantifying the characteristics of phenomena observed, usually by assigning numbers in a valid and reliable way.

Gender

The range of characteristics differentiating and categorizing males and females, and can reflect one's personal sense of identity based on societal norms.

Male

Refers to the sex that is biologically defined by the presence of XY chromosomes in humans and many other species.