MCAT Test Format, Scoring and History: 184 Flashcards Every Premed Should Know

Before you learn a single enzyme for the MCAT, you should know how the exam itself is built: four sections, 118–132 per section, 472–528 in total, a median of 500, no calculator, seven lifetime attempts. The MCAT Biology & Biochemistry deck on Flip It (deck code BT1683, 184 cards) is — despite its title — not a biology deck. It is a complete briefing on the test: format, timing, scoring, percentiles, registration rules, the prep resources most students use, the exam's predictive validity, and its full history from the 1928 Moss Test to the 2015 MR5 redesign. Treat it as the orientation module premed advisors wish everyone had read.

Nine cards from the deck

What the 184 cards actually cover

• Structure: the four sections — Biological and Biochemical Foundations of Living Systems (59 questions, 95 min), Chemical and Physical Foundations of Biological Systems (59, 95), Critical Analysis and Reasoning Skills (53, 90), Psychological, Social and Biological Foundations of Behavior (59, 95) — about 7.5 hours total, computer-based at Pearson VUE centers, non-adaptive.
• Scoring: scaled scores, 2024 mean 500.7 and standard deviation 10.8, percentile anchors (500 = 48th, 510 = 79th, 520 = 97th, 528 = 100th), voiding rules, score validity of 2–3 years, free score transmission, the THx web application.
• Rules and logistics: three attempts per year, four in two years, seven lifetime; one registration at a time; a two-day wait before re-registering; a US$310–460 fee and the Fee Assistance Program; photo ID only in the room; 25+ test dates a year.
• Content framework: 10 foundational concepts and the four Scientific Inquiry and Reasoning Skills (concepts and principles, reasoning and problem solving, research design, data-based reasoning), plus what CARS passages look like (500–600 words, unfamiliar humanities topics, no outside knowledge).
• How students prepare: about 3 months at 20 hours a week; 89.6% use official AAMC practice exams, 66.3% use Khan Academy's 1,000 videos and 2,800 questions, 61.2% use Question Packs, 58.5% use Section Banks.
• Validity research: correlations with USMLE Step 1, MCCQE-1 and Alpha Omega Alpha membership; the 14-school 1992–93 study, the 119-school cohort, the University of Minnesota classes; the AAMC's holistic-admissions guidance.
• History: Fred August Moss and the 1920s dropout crisis, the Professional School Aptitude Test, ETS and the Psychological Corporation, the 200–800 and 1–15 scales, the 3–45 composite, the J–T writing sample, the last paper exam in August 2006, the MR5 committee (21 members, 2,700 surveys, revealed in 2012), and why psychology and sociology were added.

Study tips that fit this deck

Draw the section grid once. The deck asks for each section's name, question count and minutes as separate cards. Sketch a 4×3 table from memory before every session — you will find that only CARS breaks the 59/95 pattern (53/90), which is the one line worth drilling.

Anchor the percentiles to your target school. Instead of memorizing 500/510/520 as abstract numbers, attach them to something real: 500 is the median, 510 is roughly the 'competitive' line, 520 puts you in the top 3%. The scaled-score cards then become a personal benchmark rather than trivia.

Learn the history as five score eras. Moss Test (1928–46, true/false), 200–800 (1946–62), 1–15 with six science scores (1977–91), 3–45 composite plus writing (1991–2015), 472–528 (2015–). Every historical card in the deck slots into one of these five bins.

If you also want the actual biology and biochemistry content, browse the MCAT category on Flip It; this deck is the one to finish first so the exam holds no surprises. Log in at flip-it.app and search for deck code BT1683.