The Purpose of Random Assignment of Subjects to Conditions Is

question 37

Multiple Choice

The purpose of random assignment of subjects to conditions is

• A) to eliminate confounding of subject-related variables
• B) to make groups equal
• C) to permit the use of statistics
• D) Both a and c are true.

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Definitions:

Pectoralis Minor

A thin, triangular muscle located beneath the pectoralis major, involved in movements of the shoulder blade, including drawing it downward and forward.

Internal Intercostal

Muscles located between the ribs that contract during exhalation, aiding in the forced expiration of air from the lungs.

Coracobrachialis

A muscle in the shoulder that flexes and adducts the arm.

Pectoralis Minor

A thin, triangular muscle located beneath the pectoralis major in the chest, which aids in the movement of the shoulder.