Which of the Following Is a Reason Why a Researcher

question 40

Multiple Choice

Which of the following is a reason why a researcher might choose to conduct a double-blind placebo control group study?

• A)To eliminate testing effects
• B)To control for observer bias
• C)To prevent attrition
• D)To control for regression to the mean

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Definitions:

Trapezius

A large, triangular muscle extending over the back of the neck and shoulders, involved in moving, rotating, and stabilizing the scapula and extending the neck.

Scapula

A flat, triangular bone located in the upper back, commonly known as the shoulder blade, that connects the humerus with the clavicle.

Latissimus Dorsi

A large, flat muscle on the back that helps in movement of the shoulders, stabilizes the spine, and assists in breathing.

Pectoralis Major

A large muscle in the upper chest that contributes to the movement of the shoulder and the arm.