• Purpose: Focuses on understanding and treating mental health issues and behavior.
• Techniques: Psychotherapy (e.g., CBT, psychodynamic therapy), psychological testing, counseling.
• Areas: Clinical psychology, counseling psychology, neuropsychology, forensic psychology.

**Evidence**: Various psychotherapeutic approaches, including CBT, psychodynamic therapy, and mindfulness-based interventions, have strong empirical support for treating psychological disorders and promoting mental health (APA, 2020).