IB History SL study materials
IB History SL study resources

IB History SL cheat sheet

IB History SL · Keep the key ideas within reach.

Quick reference

Paper 1: Source Analysis and Evaluation

  • Paper 1 is source-based: you answer comprehension, analysis (origin, purpose, value, limitations), and synthesis/comparison questions on a prescribed subject with four to five sources.

  • Comprehension questions (typically 5 marks) require extracting stated content plus inference; marks reward points drawn from specific source wording, not prior knowledge.

  • OPVL structure: Origin = author, date, type of document, and context of production; Purpose = what the creator intended to achieve and for whom; Value = what the source reliably reveals given that purpose; Limitation = what it cannot reveal or how purpose distorts it.

  • Value and limitation always depend on the specific question asked: a propaganda poster is valuable evidence of regime messaging and limited as evidence of actual living conditions.

  • Cross-referencing: compare sources on content (agreement/disagreement), then on provenance (why they differ - audience, timing, nationality, access to information).

  • For 'value of source X for historians studying Y', tie each point to Y explicitly; generic comments about bias without linking to the enquiry earn few marks.

  • Origin does not automatically determine reliability: a biased source is still valuable for showing that bias, and an eyewitness can be limited by proximity and hindsight.

  • When comparing two sources, structure by criterion (content, tone, provenance) rather than summarizing each source in turn, and note both similarities and differences.

Quick reference

Paper 2: Authoritarian States and 20th-Century Conflicts

  • Authoritarian states questions usually ask about rise to power, consolidation/maintenance of power, and domestic or foreign policy; each requires named case studies (commonly Hitler, Stalin, Mao, Mussolini, Castro, Nasser, Perón).

  • Rise-to-power analysis weighs structural conditions (economic crisis, weak institutions, war defeat) against the leader's methods (propaganda, force, alliances, legal manoeuvring).

  • Consolidation tools recur: secret police and terror, single-party legal frameworks, control of education and media, purges of rivals, and economic policy used to build support or eliminate opposition.

  • For conflicts, causes are grouped as long-term (alliances, nationalism, imperialism, arms races), short-term (crises, ultimatums, mobilizations), and immediate triggers.

  • Consequence questions demand distinction between short-term and long-term, and between political, economic, social, and territorial effects.

  • Comparative Paper 2 questions require explicit criteria of comparison; organize by theme (e.g., methods of control) rather than describing each state separately.

  • Historiographical awareness adds marks: cite named interpretations (e.g., intentionalist vs. structuralist on Nazi policy) and explain why they differ.

  • Dates and statistics should be accurate and sparing; one precise figure used analytically outweighs a list of undated events.

Quick reference

Regional and Global Thematic Study: Causes, Consequences, Change

  • Thematic study questions ask about causes, consequences, and change/continuity over a defined period; the period boundaries stated in the question must frame the answer.

  • Categorize causes into political, economic, social, ideological, and technological, then rank them by significance rather than listing them.

  • Distinguish underlying/long-term causes from precipitating/short-term causes; the trigger is rarely the most significant cause unless argued explicitly.

  • Consequences include intended and unintended outcomes, and immediate versus long-term effects; assess both winners and losers.

  • Change and continuity: identify what changed, for whom, how fast, and to what degree; note what persisted despite apparent transformation.

  • Regional scope means the answer must address the specified region(s); avoid drifting into a purely national narrative when the question is regional or global.

  • Significance judgments must rest on stated criteria - scale of impact, duration, depth of change, or number of people affected - and be applied consistently.

  • Useful thematic frames: decolonization, Cold War rivalry, economic integration, migration, and the evolution of international organizations.

Quick reference

Historical Skills: Causation, Consequence, Change, Significance

  • Causation: multicausal explanation is expected; assess the relative weight of factors and explain links between them (how one cause enabled another).

  • Consequence: classify by time (short/long) and sphere (political, economic, social, cultural); distinguish intended from unintended consequences.

  • Change and continuity: explicit comparison of before and after, with criteria for pace, depth, and reversibility of change.

  • Significance: judged by importance at the time, depth of impact, durability, and relevance to later developments; state the criterion used.

  • Perspectives: distinguish the views of participants, contemporaries, and later historians; explain the reasons for divergence rather than merely reporting it.

  • Counterfactual and contingency reasoning can strengthen causal argument but must be flagged as speculative.

  • Essays need a clear thesis in the introduction, thematic paragraphs each with a claim and evidence, and a conclusion that resolves the relative-weight question.

Quick reference

Use of Historical Sources: Provenance, Purpose, Value, Limitations

  • Provenance = author, date, place, document type, intended audience, and the circumstances of production; each element can shape reliability.

  • Purpose is inferred from audience and context: speeches persuade, memoirs justify or settle scores, official reports often defend policy, newspapers sell to a readership.

  • A source's value is relative to the historian's question: the same document can be highly valuable for one enquiry and near-useless for another.

  • Primary sources give access to contemporary perspective but may reflect limited information, censorship, or self-interest.

  • Secondary sources offer synthesis and hindsight but carry the author's interpretive framework and selection of evidence.

  • Memoirs and interviews are shaped by hindsight and reputation management; official statistics by the collecting regime's incentives.

  • Silences matter: ask whose voice is absent from the record and what that absence reveals about power and access.

  • Evaluate tone and language - loaded vocabulary, omission, exaggeration - as evidence of purpose, not merely as 'bias'.