An Epidemiologic Experiment Is Performed in Which One Group Is

question 5

Multiple Choice

An epidemiologic experiment is performed in which one group is exposed to a suspected factor and the other is not. All individuals with an odd hospital admission number are assigned to the second group. The main purpose of this procedure is to:

• A) ensure a double-blind study.
• B) prevent observer bias with respect to the factor.
• C) prevent observer bias with respect to the outcome.
• D) improve the likelihood that the two groups will be comparable with regard to known and unknown confounding factors.
• E) guarantee comparability of the two groups with regard to other relevant factors.

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Definitions:

Superego

The component of the personality in psychoanalytic theory that represents internalized societal standards, ethics, and morals.

Ideal Standards

The perceived criteria for evaluating the quality or desirability of something, often based on personal or cultural values.

Ego

In Freudian psychology, the part of the psyche that mediates between the demands of the id, superego, and reality.

Superego

In psychoanalytic theory, the part of the personality that acts as a moral center, enforcing societal norms and values.