To Evaluate the Effect of the Treatment in a Pretest,posttest

question 49

Multiple Choice

To evaluate the effect of the treatment in a pretest,posttest control group design,_____ is calculated.

• A) (O2-O1) - (O4-O3)
• B) O1-O3
• C) O4-O3
• D) O2-O3
• E) O4-O2

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Definitions:

Dimensional-Analysis

A method in physics and engineering to check the consistency of equations and to perform unit conversions.

Conversion Factor

A numerical value used to convert quantities expressed in one unit into another unit of measure.

Minutes

A unit of time equal to one sixtieth of an hour, or 60 seconds.