When Adoption Studies of Schizophrenia Contain All the Necessary Controls

question 40

Multiple Choice

When adoption studies of schizophrenia contain all the necessary controls and measurements,

• A) the role of genes is found to be negligible.
• B) index subjects are more likely to develop schizophrenia than the control subjects.
• C) the environment is found to be a more important determinant of psychological health than family history.
• D) no significant effects are seen.

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Definitions:

Correlation

A statistical measure that expresses the extent to which two variables change together, indicating the strength and direction of their relationship.

Descriptive Statistics

Statistical methods that summarize and organize the characteristics of a set of data in order to give a clear overview without drawing conclusions beyond the data itself.

Statistical Significance

The likelihood that a relationship between two or more variables is caused by something other than random chance.

Self-Esteem

A person's self-evaluated sense of their own importance or value.