A set of identical twins has been raised together. One of them develops schizophrenia, but the other does not. Which of the following unifying themes discussed in the text does this example illustrate?
A)Psychology is empirical.
B)Psychology evolves in a sociohistorical context.
C)Heredity and environment jointly influence behavior.
D)Our behavior is shaped by our cultural heritage.

Question

Quizplus · Accepted Answer

This example illustrates the theme that heredity and environment jointly influence behavior. Even though the twins share the same genetic makeup, the difference in the development of schizophrenia suggests that environmental factors also play a crucial role in determining behavior and mental health outcomes.

A Set of Identical Twins Has Been Raised Together