History · IA Historical Investigation
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Write a top-mark History Investigation.

A step-by-step writing frame for the IB History IA — the Historical Investigation. Ask a focused, historically-significant question, evaluate two sources for origin, purpose, value and limitations, and build an analytical, evidence-based investigation across the three sections — with the three assessment criteria and the historian's method built in.

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How it's marked. Across three criteria: A Identification & evaluation of sources (/6); B Investigation (/15); C Reflection (/4) — total /25. It is a Historical Investigation of about 2,200 words in three sections.
The rule that defines a strong investigation: Answer a focused question with analysis, evidence and different perspectives — and evaluate your sources for origin, purpose, value and limitations, never simply narrating events or summarising what a source says.
Untitled investigation 0 words

IB History IA help, examiner-written

The IB History Internal Assessment is a Historical Investigation of about 2,200 words written in three sections. Section 1 (Identification and evaluation of sources) states a focused, historically-significant question, identifies a range of appropriate sources, and evaluates two of them in depth for their origin, purpose, value and limitations. Section 2 (Investigation) is a well-organised, analytical, evidence-based answer to the question that weighs different perspectives. Section 3 (Reflection) discusses what the investigation revealed about the methods used by, and the challenges facing, the historian. This examiner-written frame walks you through the method step by step — sharpen the question, gather and weigh sources, plan an argument, then draft each of the three sections — pairing every step with the assessment criteria, worked good-and-bad examples and the traps that cost marks, and your investigation exports to DOCX or PDF.

How the History IA is marked

The investigation is marked out of 25 across three criteria: A — Identification and evaluation of sources (/6); B — Investigation (/15); C — Reflection (/4). Top-mark investigations evaluate two sources thoroughly, deriving value and limitations from each source's origin and purpose rather than labelling it "biased"; argue a clear, evidence-based line that incorporates different perspectives instead of narrating events; and reflect with genuine insight on the discipline of history rather than on personal feelings.

OPVL — evaluating sources for origin, purpose, value & limitations

The skill that defines the History IA is source evaluation. For each of your two chosen sources you analyse its origin (who produced it, when and what type), its purpose (why it was produced and for whom), and from these its value and limitations for answering your specific question. A partial source — a party leaflet, a memoir, a piece of propaganda — is often valuable precisely because of its purpose, so OPVL means reading a source as evidence rather than dismissing it as biased.

Free to start · examiner-written

The History IA tool is written by experienced IB educators. It is free to start: the planning sections are free, and the later sections are a one-time unlock per tool. Sign in to save your work and sync it across devices.