This document provides an overview of motivational interviewing, including its effectiveness, appropriate strategies for different stages of change, key skills, and handling client resistance. Motivational interviewing is a therapeutic style that helps clinicians work with clients to address fluctuating behaviors and thoughts by expressing empathy, developing discrepancies, avoiding arguments, supporting self-efficacy, and adjusting to resistance. It provides strategies tailored for precontemplation, contemplation, preparation, action, maintenance, and recurrence stages of change. Key skills include developing discrepancy, expressing empathy through reflective listening, and eliciting self-motivational statements from clients.