EWI

Expert Witness Institute

Independent. Defensible. Trusted.

Domain 2 of 2

Psychological, Psychiatric & Behavioural Evidence

10 specialist service categories for civil, criminal, family, and administrative proceedings. Independent psychiatric, psychological, and neuropsychological assessments with court-ready expert reports.

10 Service Categories6 Relevant Specialties4 JurisdictionsCourt-Ready Reports

Relevant Professional Specialties

PsychiatryPsychologyClinical NeuropsychologyAddiction MedicineRehabilitation MedicineOccupational Therapy

Service Categories

10 Psych & Behavioural Service Areas

Our accredited experts provide specialist psychological, psychiatric, and behavioural evidence across the full spectrum of legal proceedings.

01

Psychiatric Assessment

Comprehensive psychiatric evaluations for diagnosis, treatment recommendations, and medico-legal opinions in civil, criminal, and family law proceedings.

02

Psychological Assessment

Structured psychological testing, personality assessment, cognitive evaluation, and clinical opinion for litigation and insurance matters.

03

Neuropsychological Evaluation

Detailed assessment of cognitive function, brain-behaviour relationships, and neurocognitive impact of injury or illness for personal injury and compensation claims.

04

Trauma, PTSD & Psychological Injury

Expert assessment of trauma reactions, PTSD, adjustment disorders, and psychological injury arising from accidents, abuse, workplace events, and institutional settings.

05

Child Custody & Parenting Capacity

Family law assessments including parenting capacity evaluations, child psychological wellbeing, attachment, and best-interests-of-the-child reports.

06

Fitness to Plead

Assessment of a defendant's mental capacity to understand proceedings, instruct counsel, and meaningfully participate in criminal trial processes.

07

Capacity to Instruct / Consent

Evaluation of an individual's decision-making capacity including ability to provide informed consent, instruct legal representatives, and manage personal affairs.

08

Risk Assessment & Risk of Reoffending

Structured professional judgement and actuarial assessment of risk including violence risk, sexual offending risk, and risk management planning.

09

Sentencing & Mitigation Reports

Psychiatric and psychological reports for sentencing proceedings, including background factors, mental health mitigation, and rehabilitation prospects.

10

Behavioural Analysis

Expert analysis of behavioural patterns, functional behaviour assessment, and opinion on behavioural factors relevant to legal proceedings.

Across All Jurisdictions

Civil, criminal, family & administrative

Our psych and behavioural experts provide evidence across every major jurisdiction. Each expert is matched to proceedings based on their specific experience and accreditation.

Civil

Personal injury, workers' compensation, and insurance disputes

Criminal

Fitness to plead, sentencing, risk assessment, and diminished responsibility

Family

Child custody, parenting capacity, and family violence matters

Administrative

Tribunal proceedings, regulatory matters, and professional conduct

How It Works

Engagement Process

Our structured process ensures quality, consistency, and defensibility at every stage of your psych-behavioural engagement.

01

Matter Submission

Submit matter details, relevant history, and assessment requirements through our secure portal.

02

Expert Matching

EWI matches your matter to the most appropriate accredited psych or psychiatric expert.

03

Engagement

Receive expert availability, fees, and engagement terms for approval.

04

Assessment

Expert conducts assessment following EWI Standards, evidence-based methodologies, and relevant guidelines.

05

Report Delivery

Quality-assured report delivered via EWI Evidence Engine with full chain-of-custody.

Quality Assurance

Evidence-based & defensible

Every psychological and psychiatric report is grounded in evidence-based methodology and meets the highest standards of court defensibility.

  • All experts hold current registration with AHPRA or relevant professional body
  • Evidence-based assessment instruments and methodologies
  • Structured report templates meeting court requirements
  • Mandatory conflict of interest and referral bias declarations
  • Chain-of-custody tracking via Evidence Engine
  • Full compliance with relevant ethical and professional guidelines

EWI Standards Compliant

All psychological and psychiatric reports are prepared in accordance with EWI Expert Report Standards and undergo quality review before delivery.

Accredited experts in psychiatry, psychology, neuropsychology, and allied disciplines
View Our Standards

Get Started

Need a psych or behavioural expert?

Submit your matter details and we will provide expert recommendations, availability, and fee estimates.