This document summarizes different types of psychotherapies and ethical issues in psychotherapy. It discusses various psychotherapies including cognitive behavioral therapy, behavior therapy, brief psychodynamic therapy, interpersonal therapy, family therapy, couple therapy, dialectic behavior therapy, group therapy, client-centered psychotherapy, gestalt therapy, and brief counseling. It outlines key principles, techniques, and focuses of each psychotherapy. The document also discusses common factors across psychotherapies and important ethical issues to consider in psychotherapy, including beneficence, non-maleficence, fidelity, autonomy, integrity, informed consent, and confidentiality.