The best approach to separating accurate information from pseudo-psychology is

The answer to this question is to employ critical thinking techniques.
Pseudo-psychology tend to not be backed by a valid research to make the theory become reliabe.
With critical thinking techniques, pseudo-psychology could be easily debunked so you wouldn't be trapped within a false mindset to judge the situation that you're currently in

The correct answer is "  it was believed that the dispute emerged in 632 just after the death of the prophet muhammad."