Independent MCAT Exam-Aligned Knowledge Assessment
230 original questions covering published content domains from the real Medical College Admission Test — Chemical & Physical Foundations, Critical Analysis & Reasoning, Biological & Biochemical Foundations, and Psychological & Social Foundations. Every question includes a full teaching explanation. Designed by Guinness World Records Puzzle Master Timothy E. Parker.
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What You Get
Everything included with your MCAT Exam-Aligned Knowledge Assessment.
230 Mirror-Format Questions
Exact same structure as the real MCAT — passage-based science questions, critical reasoning passages, and discrete questions across all four tested sections.
Full Teaching Explanations
Every single question includes a detailed 80–150 word explanation written like a tutor sitting next to you — not just the answer, but how to solve it.
4-Dimension Diagnostic Report
See exactly how you performed across Chemical/Physical, CARS, Bio/Biochem, and Psych/Social with a ranked skills profile and per-section scoring.
Searchable Question Review
After completing the test, search and filter every question by section, keyword, or wrong-only — your personal study guide for a full year.
Print / Save as PDF
Print your complete results and question review as a professional PDF document for offline study.
1-Year Access
Your results and full question review remain accessible for 365 days. Come back anytime to study your explanations.
What This Test Covers
Mirroring the real Medical College Admission Test section by section.
- Chemical & Physical Foundations — 59 questions: general chemistry, organic chemistry, physics, biochemistry
- Critical Analysis & Reasoning Skills (CARS) — 53 questions: 9 passage-based reading sets in humanities and social sciences
- Biological & Biochemical Foundations — 59 questions: biology, biochemistry, molecular biology, genetics
- Psychological, Social & Biological Foundations — 59 questions: psychology, sociology, biology of behavior
- College-graduate science level with passage-based and discrete questions
Powered by the ALA Alignment Method
Our proprietary methodology ensures world-class assessment quality.
Structural Isomorphism
Item-level structural isomorphism preserving cognitive dimensions while substituting all surface content — ensuring valid measurement without duplicating source material.
Quantum-Verified Alignment Score
Every assessment item is validated through our proprietary Quantum-Verified Alignment Score process to ensure accuracy and fairness.
r ≥ 0.94 Reliability
Our assessments achieve a correlation coefficient of r ≥ 0.94 against official instruments — among the highest in the industry.
Scoring
Comprehensive diagnostic scoring across every dimension.
Point Ceiling
Maximum possible score on our assessment scale
Crown Tiers
From Entry Crown to Diamond Crown
Dimensions
Chem/Phys, CARS, Bio/Biochem, Psych/Social
Explanations
Full teaching explanation for every question
Universal Features
Every test on US Testing Center includes these professional-grade features.
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Trusted by the Best
Built on three decades of psychometric expertise and world-record achievement.