The Presence of Schizophrenia Was Measured in Both Monozygotic (MZ)

question 94

Multiple Choice

The presence of schizophrenia was measured in both monozygotic (MZ) and dizygotic (DZ) twins. The correlation between the MZ twins was .50 and the correlation between the DZ twins was .30. What is the heritability coefficient for schizophrenia?

• A) .80
• B) .20
• C) .40
• D) .65

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Definitions:

Erik Erikson

Erik Erikson was a developmental psychologist and psychoanalyst known for his theory on the psychological development of human beings.

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An action that is considered a violation of the law only because of the offender’s status as a minor, such as truancy or running away from home.

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An act often associated with children or adolescents leaving home or a care situation, typically to escape perceived issues or conflicts.

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The first stage of formal education, typically for children from about five to eleven years old.