If we ultimately find that people with unipolar depression have certain biochemical characteristics, certain cognitive characteristics, and certain life stressors, then we will have evidence that:
A) a single factor causes depression.
B) different factors cause depression in different people.
C) an interaction between factors causes depression.
D) different factors are related to the cause, course, and treatment of depression.

Question

Quizplus · Accepted Answer

If we find that people with unipolar depression have certain biochemical characteristics, cognitive characteristics, and certain life stressors, this suggests that an interaction between these factors causes depression. It is unlikely that a single factor causes depression because it is a complex disorder with multiple contributing factors. Similarly, different factors causing depression in different people would suggest that there is no consistent pattern in the development of depression. Finally, recognizing that different factors are related to the cause, course, and treatment of depression is important but does not address the question of whether these factors interact to cause depression.

If We Ultimately Find That People with Unipolar Depression Have