Psychological Diagnosis Assistant
An educational web application for DSM-5 based mental health diagnostic practice.
Improve your diagnostic interview skills through conversations with AI virtual clients.
Download User Guide
What is PSYDA?
PSYDA is a diagnostic practice platform for students and professionals studying clinical psychology, psychiatry, and counseling psychology. AI plays the role of virtual clients with various mental health issues, allowing users to practice conducting interviews as therapists and identifying symptoms according to DSM-5 diagnostic criteria.
By repeatedly practicing various cases that can be experienced in real clinical settings in a safe environment, you can improve your diagnostic interview skills and understanding of DSM-5 diagnostic criteria.
Key Features
Claude AI naturally expresses symptoms like a real client. Experience realistic interviews with symptom profiles tailored to each diagnosis.
Track confirmed DSM-5 diagnostic criteria in real-time during conversations. See at a glance which criteria have been met.
Learn with the diagnosis name visible in practice mode, or try to infer the diagnosis yourself in real mode.
AI suggests the next question when you're stuck. Naturally learn effective interview techniques.
Export detailed reports as PDF after session completion. Includes conversation logs and diagnostic criteria verification records.
Practice diagnostic criteria through two quiz types: Diagnostic Duel and Differential Diagnosis. Level-based questions and a ranking system boost learning motivation.
How to Use
Select Mode
Choose practice or real mode depending on your learning purpose. In practice mode, the diagnosis name is revealed so you can learn the diagnostic criteria.
Conduct Interview
Explore symptoms through conversation with the AI virtual client. As a therapist, collect information needed for diagnosis through appropriate questions.
Verify Criteria
Find and check content in the client's responses that correspond to DSM-5 diagnostic criteria. AI determines whether the response matches the diagnostic criteria.
Review Results
Review confirmed diagnostic criteria and conversation content after session completion. Export as PDF to use as learning materials.
Recommended For
Psychology/Medical Students
Students majoring in clinical psychology, counseling psychology, or psychiatry who want to practice diagnostic interview skills
Certification Exam Candidates
Those preparing for certifications such as clinical psychologist or mental health clinical psychologist
Working Professionals
Clinical psychologists, counselors, and mental health professionals who want to experience various diagnostic cases
DSM-5 Learners
Those who want to deeply understand DSM-5 diagnostic criteria by applying them to real cases
Structured Difficulty Design
PSYDA's diagnostic data is organized in progressive tiers based on clinical prevalence and learning difficulty.
19 High-Prevalence Core Diagnoses
Covers the most commonly encountered diagnoses in clinical practice, such as Major Depressive Disorder, Generalized Anxiety Disorder, and Panic Disorder. An essential foundation-building stage.
38 Diagnoses Including Child & Personality Disorders
Adds diagnoses requiring specialized differential assessment, such as ADHD, Autism Spectrum Disorder, and Borderline Personality Disorder. Builds clinical judgment for complex cases.
Complete DSM-5 Coverage — 64 Diagnoses
Encompasses relatively rare but diagnostically important conditions like Dissociative Disorders, Somatic Symptom Disorders, and Feeding Disorders. Targets expert-level diagnostic competency.
This tiered structure mirrors actual clinical training progressions, following a scientifically designed learning path that starts with foundational diagnoses and gradually expands to complex differential diagnoses.
Get Started Now
Sign up for free and practice diagnostic interviews with AI virtual clients.