Question

Psychologists find that agreeing on the differences between typical and abnormal behaviors is surprisingly difficult. however, deciding that an individual’s behaviors and mental processes are abnormal is essential because ____.

Answer 1

however, deciding that an individual’s behaviors and mental processes are abnormal is essential because: it is the first step toward labeling that person with a psychological disorder and providing treatment
For example, someone that could kill someone without remorse are considered a mentally ill person if they're in normal society, but that behavior is really acceptable if that person fights in a battlefield