1. What is the definition of abnormal psychology?
A field focused on understanding, diagnosing, and treating mental disorders and behaviors that deviate from societal norms.
Explication
Abnormal psychology is specifically the branch of psychology concerned with the study, diagnosis, and treatment of mental disorders, especially behaviors, thoughts, and emotions that deviate from societal norms. It involves understanding behaviors that are statistically unusual, cause distress, or impair functioning, making option 1 the correct choice.