OCR J410 Assessment Objective 2: Second-order historical concepts

AO2 is tested across all three papers of OCR History B. It rewards students who can use historical thinking skills — not just recall facts, but analyse why things happened, what changed, and how significant events were. Understanding these concepts explicitly will improve marks in every extended writing question.

The seven second-order concepts

1. Cause

Why did something happen?

• Distinguish immediate causes (trigger: e.g. Archduke Franz Ferdinand's assassination) from underlying causes (long-term factors: alliance systems, nationalism, imperial rivalry).
• OCR rewards explanations that weigh causes — which was most important and why?
• Link word: "this led to…", "as a result of…", "this was caused by…"

2. Consequence

What happened as a result?

• Distinguish short-term (immediate aftermath) from long-term (years/decades later) consequences.
• Distinguish intended from unintended consequences (e.g. Chadwick intended to clean air; unintentionally cleaned water).
• Link word: "as a consequence…", "this resulted in…"

3. Change

What was different after?

• For full marks, specify what changed, how much, and how quickly.
• Be precise: "completely transformed" vs "partially changed" vs "superficially altered".

4. Continuity

What stayed the same?

• Always pair with change for a balanced argument. Full marks require showing both.
• Example: policing changed (professional police 1829) but continuity in lack of detective capacity until mid-19th century.

5. Similarity and difference

How alike/different were two things?

• Used in comparisons across periods or between two events.
• Avoid surface similarities — identify structural similarities (e.g. both the Black Death and cholera triggered public health reform because both affected all social classes).

6. Significance

How important was this?

• OCR's most common extended question type: "How significant was X?"
• Criteria for significance: impact at the time (how many affected? how severely?); long-term impact (did it cause lasting change?); importance to others (did it change how people thought or acted?).
• Avoid just describing significance — argue it.

How to write an AO2 paragraph (PEEL structure)

• Point: state your argument (e.g. "The most important cause of the Black Death spreading was the lack of understanding of its true cause").
• Evidence: specific facts (e.g. "Because authorities believed in miasma, they fumigated the air rather than dealing with contaminated water sources").
• Explanation: link evidence to point (e.g. "This meant that the most effective counter-measures — improving sanitation and water supply — were not taken").
• Link: connect back to the question (e.g. "Therefore the persistence of miasma theory was a significant obstacle to limiting the death toll").

Common OCR exam mistakes

1. Describing events rather than analysing them. Every sentence should be doing analytical work — explaining why, how significant, what changed.
2. Only arguing one side in a "how far do you agree" question — OCR marks require a counter-argument for Level 3.
3. Giving a vague conclusion ("therefore it was very important") without specifying by what criteria it is important.
4. Confusing cause and consequence — a cause comes before and explains an event; a consequence comes after and results from it.