OSAT History (OK117) study materials
OSAT History (OK117) study resources

OSAT History (OK117): Historical Thinking, Research Skills, and Historiography

OSAT History (OK117) · Work through your exam, one topic at a time.

All guide sections

Historical Thinking, Research Skills, and Historiography

This domain tests how historians construct knowledge: how they frame questions, select and evaluate evidence, handle chronology and context, and recognize that interpretations change. Expect questions that ask you to choose the most reliable source, spot bias or anachronism, or identify a historiographical approach.

Core skills

  • Sourcing: identify a document’s author, date, audience, purpose, and origin before using it.
  • Contextualization: place evidence in its political, social, and economic setting.
  • Corroboration: compare independent sources; agreement strengthens a claim, while disagreement requires explanation.
  • Close reading: distinguish what a source says from what it implies and from what a historian infers.
  • Chronology and periodization: labels such as Reconstruction or Middle Ages are constructed; explain their boundaries.
  • Historiography: Ranke’s archival empiricism; Annales attention to long-term structures; Marxist class analysis; social history from below; postcolonial and subaltern critiques.

Worked example

A question asks which source is more useful for understanding enslaved workers’ daily lives: a plantation owner’s ledger or a WPA slave narrative collected in the 1930s. Reasoning: the ledger is a primary source from the period, valuable for names, ages, and labor assignments, but it records people as property and omits their perspectives. The narrative is also primary testimony, though shaped by memory and the interview context. A historian should use both and corroborate specifics rather than rank one as simply more biased.

Traps

  • Assuming a primary source is automatically accurate or a secondary source automatically unreliable.
  • Presentism: judging past actors by today’s norms without historical context.
  • Confusing correlation with causation, or hindsight with evidence.