Identify the Part of the Body That Can Be Studied

question 98

Multiple Choice

Identify the part of the body that can be studied with radiotracers.

• A) spleen
• B) brain
• C) heart
• D) tumors
• E) all of the above

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Definitions:

Experimenter's Manipulations

The deliberate changes or variations introduced by researchers in an experiment to investigate their effects on the outcome.

Extraneous Variable

Any variable that is not intentionally studied in the experiment which can affect the outcome of the research if not controlled.

Confounding Variable

An outside influence that changes the effect of a dependent and independent variable. This extraneous influence is used to influence the outcome of an experimental design.

Volunteer Bias

A shortcoming of findings derived from a sample of volunteers instead of a representative sample; the volunteers may differ from those who did not volunteer.