A psychologist has a theory that a certain mood disorder is largely due to a deficiency of the neurotransmitter ACS2. The psychologist believes that if the theory is correct then increasing the levels of ACS2 in people with that mood disorder will reduce their
Symptoms of the mood disorder. To test that hypothesis, the psychologist conducts a well-designed experiment. This example best represents:

Question

Quizplus · Accepted Answer

The psychologist starts with a general theory and tests it with specific observations, which is an example of deductive reasoning.

A Psychologist Has a Theory That a Certain Mood Disorder