Advantages of Within- Over Between-Subjects Designs Include All of the Following

question 11

Multiple Choice

Advantages of within- over between-subjects designs include all of the following except that:

• A) there is less chance of contamination between treatments
• B) fewer subjects are needed
• C) there is less chance of differences between groups
• D) each subject is her or his own control

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Definitions:

Sample Mean

The average obtained from a sample, calculated by summing all sample data points and dividing by the number of points.

Null Hypothesis

A statement or assumption that there is no effect or no difference, and is the hypothesis that researchers aim to test against.

Hypothesized Value

A specific value or condition proposed in a hypothesis that is tested through statistical analysis.

One-Tail Test

A type of statistical hypothesis test where the rejection area is located on just one side of the sampling distribution.