Pat's Last Statistics Test Score Was 72

question 29

Multiple Choice

Pat's last statistics test score was 72.If the instructor tells Pat that the grade distribution was approximately normal,the class mean was 67,and the standard deviation was 3,which of the following is correct?

• A)A score of 72 is never good.
• B)Pat should be worried about this score,because many other students did better.
• C)Pat should be fairly happy about this score,because many students did not do as well.
• D)Pat should be ecstatic,because this is obviously one of the highest grades in the class.

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Definitions:

A-B Design

A basic experimental design consisting of a baseline (A) phase followed by a treatment (B) phase, used to evaluate the effect of an intervention.

Intervention

Strategies or actions taken to improve a situation or problem, often used in the context of behavioral or medical treatment.

Behavior Change

A modification in an individual's behavior patterns, attitudes, or actions.

Multiple Baseline Design

A method of graphing behavioral observations that provides a way to evaluate the effectiveness of an intervention when a reversal design is not desirable. A multiple baseline design permits recording and analyzing behavioral observations from three variables: (1) two or more behaviors associated with one student in a single setting, (2) two or more students exhibiting the same behavior in a single setting, and (3) two or more settings in which one student is exhibiting the same behavior.