When the Number N of Nonzero Differences in the Sample

question 180

Multiple Choice

When the number n of nonzero differences in the sample is greater than 20,which of the following distributions provide a good approximation to the distribution of the Wilcoxon signed rank statistic?

• A)The chi-square distribution
• B)The normal distribution
• C)The F distribution
• D)The Student's t distribution

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Definitions:

Cognitive Dissonance Theory

A psychological theory that explains the discomfort that arises from holding two conflicting beliefs, leading to changes in attitudes, beliefs, or behaviors.

Role-Playing Theory

A theory suggesting that much of behavior is influenced by society's expectations and that individuals perform roles they have learned based on social norms and expectations.

Attribution Theory

A concept in social psychology that explains how individuals infer the causes of their own and others' behavior, distinguishing between internal dispositions and external situations.

Attitude Theory

A psychological theory focused on how individuals form, organize, and change their attitudes towards objects, people, and situations, based on cognitive, affective, and behavioral components.