Random Assignment of Subjects to Groups in an Experiment Is

question 39

Multiple Choice

Random assignment of subjects to groups in an experiment is used to reduce the effects of

• A)the independent variable.
• B)the dependent variable.
• C)experimenter bias.
• D)extraneous variables.

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Definitions:

Intramuscularly

A method of administering medication directly into the muscles, allowing for quicker absorption into the bloodstream.

Injected

The act of forcing a liquid, especially a drug, into a body part by using a syringe and needle.

Muscle

Tissue composed of fibers that contract to produce movement or maintain the position of parts of the body.

Syringes

Medical tools used to inject fluids into, or withdraw fluids from, the body.