One Way to Randomly Assign Students to Experimental and Control

question 482

Multiple Choice

One way to randomly assign students to experimental and control groups for a study of academic behaviors is to

• A)flip a coin for each student to determine which group she or he will be assigned.
• B)divide the group sitting in the front half of the room from the group sitting in the back.
• C)ask volunteers for the experimental group to raise their hands.
• D)do none of these.

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Definitions:

Pectoralis Major

A large chest muscle that contributes to the shoulder joint's movement and the arm's rotation inward.

Deltoid

A large, triangular muscle covering the shoulder joint that is responsible for lifting the arm and giving the shoulder its range of motion.

Biceps Brachii

A muscle of the upper arm that is involved in the flexion of the forearm and supination of the forearm.

Serratus Anterior

The serratus anterior is a muscle that originates on the surface of the upper eight or nine ribs and inserts on the medial border of the scapula, playing a key role in the movement of the shoulder.