The study of psychology is potentially dangerous because

The study of psychology is potentially dangerous because  

A) psychological knowledge can be used for destructive purposes.

B) psychologists generally believe that people are not personally responsible for their actions.

C) psychological research usually necessitates performing stressful experiments on people.

D) psychological research typically violates personal privacy rights.

A.  psychological knowledge can be used for destructive purposes.

Explanation:

Option B: "psychologists generally believe that people are not personally responsible for their actions." does not explains or translates to how and why psychology can be dangerous.

Option C : "psychological research usually necessitates performing stressful experiments on people." is not correct because not all research or experiments performed on people in psychology is stressful, in fact, only a few ones.

Option D: "psychological research typically violates personal privacy rights." is not true, as most of the time, the research results are always presented in way that the subjects or participants are anonymous.

However, Option A:"psychological knowledge can be used for destructive purposes." is true, and shows how dangerous psychology can be, because, with the use of psychological knowledge, an individual or mischievous person can use it to manipulate other people to his or her advantage.