Subjects Are Said to Be Assigned Randomly When

question 743

Multiple Choice

Subjects are said to be assigned randomly when

• A) each subject is selected to participate in an experiment from a sample that is representative of the larger population.
• B) each subject has an equal chance of being assigned to either the experimental or control group.
• C) each subject is assigned to experimental and control groups in such a way that the groups differ on some critical variable before the experiment begins.
• D) neither the experimenter nor the subject knows whether the subject is in the experimental or control group.

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Definitions:

Probability

An indicator of the probability of an event happening, represented numerically between 0 and 1.

Admissions Office

An admissions office is a department within educational institutions, such as colleges or universities, that manages the application and selection process for incoming students.

Deposits

Money placed into a bank account or a sum of money paid into a financial institution for safekeeping.

Normal Distribution

A bell-shaped distribution that is symmetric about the mean, describing how values of a variable are spread or dispersed.