Key Ideas and Details in Social Science

learning_notes

Last updated: 8/16/2025

Identifying Central Ideas and Themes

💡 What’s Tested:

  • The main point or purpose of the passage
  • The author's central claim or argument
  • How ideas build across the passage 🛠️ How to Build the Skill:
  • Read the first and last paragraph closely—they often contain the thesis and conclusion.
  • After each paragraph, ask: What’s the main point here?
  • Practice writing 1-sentence summaries of nonfiction articles.
  • Don’t confuse examples with the main idea—look for general statements that everything else supports. 📝 Sample ACT-Style Questions:
  • Which of the following best states the central idea of the passage?
  • The author’s primary purpose is to…
  • What main point does the author make about urban development in the 20th century?

Understanding Relationships Between Ideas or Events

💡 What’s Tested:

  • Cause and effect
  • Comparisons or contrasts
  • Sequences of events or logic 🛠️ How to Build the Skill:
  • Mark signal words like "however," "therefore," "in contrast," "as a result."
  • Ask: Is this paragraph building on the last one or shifting direction?
  • Diagram simple cause-effect chains after reading a section.
  • Compare two viewpoints or systems discussed in a passage. 📝 Sample ACT-Style Questions:
  • What caused the increase in suburban migration during the 1950s, according to the passage?
  • Which of the following contrasts does the author make between public and private education?
  • How does the second paragraph expand on the idea introduced in the first?

Understanding the Author’s Perspective and Interpretation

What’s Tested:

  • The author’s tone or stance
  • How the author interprets events or facts
  • Inferences about their attitude or biases How to Build the Skill:
  • Ask why the author included a detail or example—does it support or challenge something?
  • Pay attention to adjectives, adverbs, and qualifiers: they often show subtle bias or emphasis.
  • Practice distinguishing objective fact vs. interpretive commentary. Sample ACT-Style Questions:
  • What is the author’s attitude toward the use of social media in education?
  • Which phrase best reflects the author's view of the policy change?
  • The author most likely believes that government intervention in housing markets is…

Locating and Interpreting Supporting Details

What’s Tested:

  • Specific facts, statistics, or examples in the text
  • The role or meaning of a particular sentence or phrase
  • Locating evidence that supports a larger claim How to Build the Skill:
  • Underline or annotate facts and examples as you read.
  • Try to connect details to the claim they support.
  • Be precise: ACT questions often include tempting answer choices that are almost right but distort the detail. Sample ACT-Style Questions:
  • According to the passage, what role did railroads play in western migration?
  • What does the author mention as a consequence of the 1965 immigration reform?
  • Which statement is best supported by the information in paragraph 4?

Summarizing Information or Arguments

What’s Tested:

  • Condensing multiple ideas into a general summary
  • Understanding how evidence supports the argument
  • Recognizing how different points fit together How to Build the Skill:
  • Practice outlining arguments: claim → support → conclusion.
  • Summarize each paragraph in a short phrase (e.g., "historical context," "example," "counterargument").
  • Pay attention to the flow of logic—how the argument builds over time. Sample ACT-Style Questions:
  • Which of the following best summarizes the author’s overall argument?
  • How do the examples in paragraphs 2 and 3 support the passage’s main idea?
  • Which of the following statements best encapsulates the author's conclusion?

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