👤⚖️ Quick Overview
This chapter explores the role of psychologists as expert witnesses in legal proceedings, covering qualifications, process, courtroom experience, ethics, and legal standards.
👤 Expert vs Ordinary Witness
- Ordinary: Only testify about what they observed (facts), cannot offer opinions
- Expert: Can offer professional opinions and interpretations, discuss research and theories, not required to have witnessed events
🎭 Roles of Forensic Psychologists in Court
- Competency evaluations: Fitness to stand trial
- Insanity evaluations: Mental state at time of offense
- Risk assessment testimony: Future violence likelihood
- Child custody evaluations: Parental fitness, children's needs
- Psychological injury assessment: Emotional damages in civil cases
🏛️ The Courtroom Experience
- Direct examination: By retaining attorney, explain qualifications and findings
- Cross-examination: By opposing counsel, attempts to discredit
⚖️ Legal Standards
- Frye (1923): "Generally accepted" in scientific community
- Daubert (1993): Judge as gatekeeper - testable, peer-reviewed, error rate, acceptance
🎯 Actuarial vs Clinical Judgment
- Actuarial: Statistical algorithms, more accurate but may miss individual factors
- Clinical: Professional expertise, flexible but more prone to bias
- Structured Professional Judgment: Best of both