The Wilcoxon Signed-Rank Test Does Not Assume a Normal Population

question 17

True/False

The Wilcoxon signed-rank test does not assume a normal population, but it does require a roughly symmetric population.

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Definitions:

Internal Events

Psychological or physiological occurrences within an individual that are not observable by others.

Empirical

Based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.

Evolutionary Psychology

A theoretical approach in psychology that explains mental and psychological traits—such as memory, perception, or language—as adaptations, i.e., the functional products of natural selection.

Natural Selection

The process by which organisms better adapted to their environment tend to survive and produce more offspring, driving evolution.