Which behavioral assumption has the LEAST amount of research to support it?

Question

Quizplus · Accepted Answer

Research has shown that while classical conditioning plays a role in the development of phobias, it is not the primary or sole method through which phobias are acquired. Other factors, such as observational learning and verbal information, also significantly contribute to the development of phobias, making the statement that phobias are primarily acquired through classical conditioning in humans (B) the one with the least amount of research support compared to the other options.

Which Behavioral Assumption Has the LEAST Amount of Research to Support