You have done 3,000 questions. Your overall accuracy is 72%. You have been revising for 4 months. Your exam is in 6 weeks. Are you ready?
You do not know. And that uncertainty is the most common source of exam anxiety — not fear of the content, but fear that the preparation is not enough despite the effort invested. You have done the work. You cannot tell whether the work was sufficient.
The iatroX AI study planner answers this question with the readiness score — a composite metric that converts your preparation data into a concrete assessment of exam readiness.
What the Readiness Score Measures
The readiness score is computed from three inputs.
Curriculum coverage. What percentage of exam topics have you practised? A candidate who has answered 3,000 questions but all from 5 clinical domains has practised 25% of the curriculum. A candidate who has answered 2,000 questions across all domains has practised 90% of the curriculum. The second candidate is better prepared despite fewer total questions. Coverage matters more than volume.
Weighted accuracy. Your accuracy across topics, weighted by exam importance. An overall accuracy of 72% could mean "72% across everything" (uniformly prepared) or "95% in cardiovascular, 40% in psychiatry" (dangerously uneven). The weighted accuracy metric identifies unevenness and quantifies its impact — because a 40% in psychiatry pulls the readiness score down disproportionately, reflecting the real exam risk.
Mock exam performance trends. Are your mock scores improving, stable, or declining? An improving trajectory from 58% to 68% across three mocks suggests the preparation is working and continuation will produce a passing score. A stable trajectory at 62% suggests a plateau that requires a strategy change. A declining trajectory suggests fatigue or knowledge decay that must be addressed. The trend matters as much as the absolute score.
The Five Readiness Tiers
The readiness score maps to five tiers — each with a specific interpretation and action recommendation.
Tier 1 — Significant gaps remain. Major curriculum areas have not been practised. Accuracy in studied areas is below the threshold needed for a pass. Action: continue foundation-phase study. Do not schedule an exam date yet.
Tier 2 — Building momentum. Most curriculum areas have been touched, but accuracy is uneven. Some domains are strong, others need significant work. Action: shift to application-phase targeting of weak areas. Consider setting a provisional exam date 8-12 weeks out.
Tier 3 — Solid foundation. Curriculum coverage is broad. Accuracy is approaching the pass threshold across most domains. First mock exam shows a score within range of the pass mark. Action: continue application-phase work on remaining weak areas. Begin scheduling regular mocks.
Tier 4 — Strong position. Coverage is comprehensive. Accuracy exceeds the pass threshold in most domains. Mock scores are consistently above the pass mark and improving. Action: enter performance phase. Increase mock frequency. Finalise exam booking if not already done.
Tier 5 — Exam ready. Coverage is near-complete. Accuracy is strong across all domains. Mock scores are comfortably above the pass mark with a stable or improving trajectory. Action: maintain current pace. Take final mock 5-6 days before the exam. Rest the day before.
The Three-Phase Transition
The study planner does not simply label your readiness — it actively transitions your preparation through three phases to improve it.
Foundation phase (Tiers 1-2). The planner builds breadth. Daily tasks cover new topics systematically, with adaptive questions across all exam domains. The goal is moving from Tier 1 to Tier 2 to Tier 3 — expanding coverage and building baseline accuracy.
Application phase (Tiers 2-3). The planner targets depth. Daily tasks concentrate on your weakest domains — the topics pulling your readiness score down. The goal is evenness — eliminating the dangerous troughs that produce exam failure even when overall accuracy looks acceptable.
Performance phase (Tiers 3-5). The planner tests readiness. Mock exams at increasing frequency, mixed-topic sessions, and timed conditions. The goal is confirming that your knowledge holds up under exam pressure — because adaptive practice (untimed, with explanations) and mock exams (timed, without explanations) test different aspects of preparedness.
The planner transitions between phases automatically based on your readiness score. You do not need to decide when to switch from broad study to targeted revision to mock practice — the planner handles the transition based on your data.
Why This Matters
The readiness score does not make the exam easier. It makes your preparation more efficient — because knowing where you stand eliminates the two most common preparation errors.
Error 1: stopping too early. Candidates who feel confident after 3,000 questions but have not covered 30% of the curriculum. The readiness score catches this — coverage gaps are visible and quantified.
Error 2: continuing past the point of diminishing returns. Candidates who do 8,000 questions when they were exam-ready at 5,000 — burning out from overpreparing. The readiness score catches this too — once you hit Tier 5 consistently, the planner confirms you are ready and advises maintaining rather than intensifying.
What the Readiness Score Looks Like in Practice
Here is a typical readiness trajectory for a PLAB 1 candidate over 8 weeks of preparation.
Week 1: Readiness Tier 1 (significant gaps remain). Coverage: 15%. Weighted accuracy: 48%. No mock data yet. The planner schedules broad coverage tasks across all body systems.
Week 3: Readiness Tier 2 (building momentum). Coverage: 45%. Weighted accuracy: 55%. First mock score: 52%. The planner shifts toward targeted revision of the three weakest body systems identified from the mock.
Week 5: Readiness Tier 3 (solid foundation). Coverage: 72%. Weighted accuracy: 63%. Second mock score: 61% (improving trajectory). The planner maintains targeted revision and schedules the next mock for week 6.
Week 7: Readiness Tier 4 (strong position). Coverage: 88%. Weighted accuracy: 69%. Third and fourth mock scores: 65%, 68% (consistent improving trajectory). The planner confirms a positive trajectory and schedules the final mock for 5 days before the exam.
Week 8: Readiness Tier 4-5. Coverage: 93%. Weighted accuracy: 71%. Fifth mock score: 70%. The planner displays "exam ready" and recommends maintaining current pace through the final days, with one targeted session on remaining weak areas and rest the day before.
This trajectory is not universal — some candidates progress faster, some slower. The point is that the readiness score replaces the subjective "do I feel ready?" (unreliable) with an objective "does my data say I'm ready?" (reliable). The data cannot guarantee a pass — exam-day performance depends on the specific questions, your physical state, and factors beyond any study tool's control. But it can tell you whether your preparation is where it needs to be.
The Anxiety Equation
Exam anxiety has two components: uncertainty about the content (do I know enough?) and uncertainty about readiness (am I prepared enough?). Practice questions address the first — they build knowledge. The readiness score addresses the second — it quantifies preparedness.
Candidates with a Tier 4-5 readiness score and an improving mock trajectory report significantly lower pre-exam anxiety than candidates who have done the same number of questions but have no readiness metric. The readiness score does not eliminate anxiety — but it converts free-floating "I don't know if I'm ready" anxiety into specific, actionable information: "I know my psychiatry is weak and my coverage has a gap in ophthalmology." Specific problems have specific solutions. Vague anxiety does not.
The study planner converts anxiety into action — every day's tasks are the answer to "what should I do today?" And the readiness score converts uncertainty into data — every update is the answer to "where do I stand?"
The combination of daily task clarity (planner) and trajectory visibility (readiness score) addresses both the cognitive and emotional dimensions of exam preparation. You know what to do today. You know where you stand overall. And you know whether your trajectory is on course for your exam date. That is the gap between "doing questions and hoping" and "preparing with a system that tells you when you are ready." The study planner closes this gap — not through more questions, but through smarter scheduling, adaptive targeting, and a readiness metric that replaces hope with data.
Set your exam date and let iatroX tell you when you are ready. The planner supports all 29 exam specifications across UK, US, Canada, and Australia — every exam, one system. iatrox.com/study-plan.