On this page
A useful CAIA® error log records what you attempted, why your answer failed, what evidence corrects the reasoning, and the next action that will test the fix. Review the log weekly to distinguish an isolated slip from a repeated knowledge gap. The output should be a short revision list with a task and a retest date, not a growing archive of wrong answers.
Keep the curriculum as the reference point
CAIA Association says its curriculum readings determine the exam content and that its own curriculum and study tools are the authoritative preparation sources. It also says curriculum editions apply to the calendar year of the exam. Before attaching a reading reference to a practice error, check that the reference belongs to the edition for the exam you intend to sit. An error log built against an older reading map can send revision time to the wrong place.
The CAIA curriculum and study tools page identifies official study materials and explains the edition rule. Its candidate FAQ states where examinable content comes from. Neither source prescribes a personal error-log template. The method below is a practical study system designed to make those resources easier to use, not an official CAIA scoring method.
Only log material from practice that you are allowed to use. Make a short reference to your own practice set or learning objective rather than copying a question into a shared file. CAIA’s misconduct and confidentiality policy restricts disclosure of actual examination content. If you encounter a real exam item or protected material, do not reproduce or circulate it; use the official policy and permitted materials.
Record a diagnosis, not a mark
A practical row starts with the study date, level, curriculum year, broad topic and a permitted reference to the practice item. Record your chosen answer and the result only if doing so helps you see the error. More important is a one-sentence diagnosis in your own words. “I reversed the direction of the cash flow” is useful; “careless” is too vague to guide a repair. Finish the row with the relevant reading or learning objective and the next specific action.
Use a small set of error reasons. A concept gap means you did not know the mechanism. A retrieval gap means you recognised the idea after checking the answer but could not produce it unaided. A calculation gap means you selected the right approach but lost a sign, unit, base or step. A reading gap means you missed a condition in the prompt. A timing gap means you knew enough but spent disproportionate time or guessed before processing the information. These are working categories, not claims about CAIA’s grading.
Sometimes more than one reason applies. Choose the primary one that would have changed the outcome, then add a short secondary note if needed. “Formula forgotten” and “arithmetic slip” call for different actions. The first needs retrieval from memory and an explanation of when to use the formula. The second needs a slower check of units or intermediate results. Treating both as “quant weak” produces an unfocused revision list.
A worked logging example
Consider a wholly invented practice task about a private asset whose valuation depends on a discount rate. A candidate selects the direction in which a higher discount rate raises present value. After checking the explanation, the candidate realises the direction should be the opposite when expected cash flows are held fixed. The log entry could read: “Valuation, concept gap; I confused a higher required return with higher value. Rebuild a small two-cash-flow example without looking, explain the direction aloud, and retest with a changed rate on Friday.” This is an invented teaching scenario, not a CAIA or repository question.
The repair must show that the candidate can reason from the cash flows, rather than merely recognise the correct option when it appears. On the retest, change the numbers or ask for a verbal explanation before calculating. If the candidate can explain the result without a prompt, mark the issue resolved provisionally. If the direction is still reversed, leave it active and return to the relevant official reading. A single correct retest is useful evidence, but a later spaced check can reveal whether the learning lasted.
Suppose the same week includes another valuation miss caused by ignoring whether a price came from an independent source. The two errors share a broad topic but require different repairs. The discount-rate miss is about valuation mechanics; the pricing-source miss is about process and evidence. Grouping everything under “valuation” hides that distinction. Keep each diagnosis narrow enough to point to a different study action.
Run a weekly review that ends with decisions
Set a recurring review time you can actually keep. Filter the rows from the week and scan for repeats by mechanism, not only by chapter. Read the original diagnosis before looking at the answer again. Ask which mistakes remain active, which were retested successfully, and which are too vaguely described to be useful. Rewrite vague diagnoses before planning new practice; otherwise they will reappear without a clear remedy.
Select a small number of priority repairs based on frequency, severity and the breadth of the concept. A single error in a foundational mechanism may deserve attention before several isolated slips in a narrow detail. This is a judgement about your own evidence, not a prediction of exam weights or a promise about results. If official learning objectives separate two applications, keep them distinct even if the study material uses a common chapter title.
For each priority, schedule one concrete task: revisit a named section of the current official curriculum, derive an example from blank paper, explain an assumption, or complete a fresh permitted practice item. Include a retest date and a pass condition stated as behaviour, such as “can state when the high-water mark binds and work a new example without notes”. Avoid “review chapter” as the only task; it says neither what failed nor how you will know it is fixed.
At the next weekly review, close an item only when the evidence supports closure. If you answered a familiar question correctly after seeing the explanation, keep it open. If you handled a new version and could explain the condition that changed the answer, mark it provisionally resolved. Reopen it if the error recurs. That status cycle prevents the log from becoming an ever-growing list while preserving a record of repeated weaknesses.
Adapt the log to CAIA question styles
A multiple-choice miss and a constructed-response weakness can need different notes. For a selected-response item, capture the condition that ruled out your choice; avoid copying the whole stem. For a written response, note whether you omitted the requested judgement, gave a conclusion without support, or spent too long on background. Practise writing a concise explanation from a permitted prompt. The same concept can be understood internally yet expressed too vaguely for a clear answer.
Do not infer an official grading rule from your log. The purpose is to improve your ability to identify what an instruction asks and demonstrate the relevant reasoning. The CAIA study resources include a curriculum companion and sample-exam access where available. Check the current official page for what is offered for your exam period, and use the current curriculum to verify any concept you retest.
A spreadsheet can help if you already use one, but a notebook also works. The minimum viable system is a dated reference, an error reason, the correct principle in your own words, an action and a retest result. Extra columns for confidence or time taken can help when those patterns change your study decisions; remove them if they only create data-entry work. Keep the format light enough that you will complete it immediately after practice.
Turn the review into next week’s plan
At the end of the review, write a short ordered list of repairs and put them into real study sessions. Begin each session with an unaided recall or calculation, then consult the official source to correct what remains weak. End with a changed example so recognition does not masquerade as understanding. Reserve some time to revisit previously closed items; a clean current week does not prove an old weakness is gone.
If nearly every row says “ran out of time”, examine whether the real problem was recall, reading, calculation or pacing before changing your whole schedule. If almost no errors appear despite uncertain explanations, include correct guesses and low-confidence correct answers in the review. The log should capture fragile knowledge as well as outright misses, while still staying compact enough to act on.
The CAIA programme page provides programme context, and Omni’s how-it-works page describes the study workflow. The log’s value comes from the repeated cycle of diagnosis, targeted repair and changed retest. Its entries should make the next study action obvious to the candidate who wrote them, even after a week away from the material.
Sources
- CAIA curriculum and study tools · caia.org · Retrieved
- CAIA candidate frequently asked questions · caia.org · Retrieved
- CAIA examination misconduct and confidentiality policy · caia.org · Retrieved



