To Compare the Means of Two Randomly Assigned Groups of Individuals

question 31

Multiple Choice

To compare the means of two randomly assigned groups of individuals, the appropriate test is:

• A) a t-test for dependent groups.
• B) a t-test for matched scores.
• C) a t-test for independent groups.
• D) any one of these

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Definitions:

Leon Festinger

A psychologist known for his theory of cognitive dissonance, which suggests that people experience discomfort when they hold contradictory beliefs, leading them to change their attitudes or behaviors.

Robert Zajonc

A psychologist known for his work on social facilitation, the mere exposure effect, and the interplay between affective and cognitive processes.

Ivan Pavlov

A Russian physiologist known for his work in classical conditioning, particularly his experiments with dogs, salivation, and the association of stimuli.

Mere Exposure Effect

A psychological phenomenon whereby individuals develop a preference for things merely because they are familiar with them.