While Trichotillamania and Obsessive-Compulsive Disorders Have Many Features in Common

question 112

Multiple Choice

While trichotillamania and obsessive-compulsive disorders have many features in common, they also have significant differences. One of these includes the fact that

• A) trichotillamania is short-lived while obsessive-compulsive disorder is long-term.
• B) rituals produce pleasure but hair pulling does not.
• C) compulsions are a response to anxiety but hair pulling occurs in reaction to a wide range of negative emotions.
• D) the disorders demonstrate involvement of totally different brain regions.

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Definitions:

Populations

In statistics, this term refers to the entire pool from which a statistical sample is drawn and is the subject of a study.

Caffeinated Beverages

Drinks that contain caffeine, a stimulant that can affect the central nervous system.

Wilcoxon Signed Rank Test

A non-parametric statistical test used to compare two related samples, testing the null hypothesis that their population mean ranks differ.

Null Hypothesis

A statement used in statistics that proposes there is no significant difference or effect, serving as the assumption to be tested.