EPPP Part 1 (Examination for Professional Practice in Psychology) exam topics — the 8 content areas by weight
The EPPP Part 1 (Examination for Professional Practice in Psychology) exam is built from 8 weighted content areas. Focus your time where the weight is. Each area below links to a free study chapter and practice questions. These weights are how PrepPass has organized the material, not a figure published by the exam authority.
Biological Bases of Behavior
10%Cognitive-Affective Bases of Behavior
13%Social and Cultural Bases of Behavior
11%Growth and Lifespan Development
12%Assessment and Diagnosis
16%Treatment, Intervention, Prevention, and Supervision
15%Research Methods and Statistics
7%Ethical, Legal, and Professional Issues
16%Ready to test yourself?
Drill 123+ free EPPP Part 1 (Examination for Professional Practice in Psychology) practice questions across every content area, then sit a full timed mock exam — no signup required.
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Content-area weights are PrepPass’s own organization of the material. Where EPPP Part 1 (Examination for Professional Practice in Psychology) publishes an official outline, check it directly. Confirm current details with ASPPB. Study aid, not a substitute for the official material. Last updated: August 2026.