Individuals Who Have Alcohol Problems Tend to Come from Families

question 167

Multiple Choice

Individuals who have alcohol problems tend to come from families with other individuals who have alcohol problems. This would suggest that

• A) genetic factors cause an individual to have alcohol problems.
• B) both genetic and environmental factors cause an individual to have problems.
• C) although there is an association, no cause-effect relationship can be concluded.
• D) environmental factors cause an individual to have alcohol problems.

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Definitions:

Continuity Correction

An adjustment made to discrete data in order to apply a continuous probability distribution approximation more accurately.

Null Hypothesis

A statement or hypothesis that proposes there is no statistical significance in a set of given observations, suggesting any observed difference is due to sampling or experimental error.

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, indicating how spread out the values are from their average.

Wilcoxon Signed Rank Test Statistic

A non-parametric test used to compare two related samples, matched samples, or repeated measurements on a single sample.