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Reading & Comprehension

Evaluating Sources and Evidence

Assess whether a source and its evidence are relevant, credible, current, and sufficient for the decision at hand.

Advanced4 min read2 guided activities

Before you begin

What you will understand

  • Check authorship, purpose, date, and evidence.
  • Distinguish evidence from assertion.
  • Compare claims without relying on confidence or popularity.
01

Learning stage

Concept Explanation

Critical reading asks not only “What does this say?” but also “Why should I trust it for this purpose?” Consider who created it, when, for whom, why, and what evidence it gives. The best source depends on the question: an official policy may be right for a rule, while direct customer research may be needed for user experience.

Evidence can be relevant yet insufficient. Check whether data is current, sample size and method are explained, limitations are acknowledged, and conclusions match the evidence. A confident tone is not proof.

  • Authority: creator's expertise and responsibility.
  • Purpose: inform, persuade, sell, record, or entertain.
  • Currency: whether the information is recent enough.
  • Evidence: source, method, scope, limitations, and relevance.
02

Learning stage

Examples & Patterns

The claim becomes more useful when its source, method, and limits are visible.

Checking evidenceEnglish
Claim: Most users prefer the new dashboard.

Questions to ask:
• Who was surveyed?
• How many users responded?
• When was the research conducted?
• What does “prefer” mean?
• Were different user groups represented?
A claim may be useful, but these questions determine how confidently it can guide a decision.
03

Learning stage

Real-World Usage

Connect the reading skill to learning, work, and everyday decisions.

  • Evaluate a blog post, research summary, or product claim.
  • Assess evidence in a proposal.
  • Choose reliable information for a workplace decision.
04

Learning stage

Common Mistakes

Notice habits that weaken understanding, accuracy, or judgment.

  • Trusting information because it is polished or widely shared.
  • Ignoring date, sample, or method.
  • Rejecting a source without considering whether it fits the question.
05

Learning stage

Practice Exercises

Use short, deliberate practice to turn reading strategies into habits.

Activity 1

Use a source check

Evaluate one article using creator, purpose, date, evidence, and limitation. Decide what it can and cannot support.

Hint: A source can be useful for one question and weak for another.

Activity 2

Match claim to evidence

For three claims, list the evidence you would need before acting on each.

Hint: Consider scope, method, and alternative explanations.

06

Learning stage

Knowledge Check

Answer before revealing the explanation.

QUESTION 1

Which question best checks a source's currency?

  1. A.When was this created or updated?
  2. B.Is the heading attractive?
  3. C.Is it long?
  4. D.Do I agree with it?
Reveal answer

When was this created or updated?

Information can become unreliable for a current decision when its date is unknown or outdated.

QUESTION 2

What is an assertion?

  1. A.A claim that still needs support
  2. B.A verified method
  3. C.A table of contents
  4. D.A citation
Reveal answer

A claim that still needs support

A statement becomes more credible when relevant evidence and method are available.

07

Learning stage

Reading Application

Apply the strategy to a realistic reading and communication situation.

How would you challenge a claim respectfully in a discussion?

Short answer: Ask about the source, scope, method, and whether the evidence supports the proposed conclusion.

Explore the detailed answer

I would say, “This result is promising. Before we use it for a broader decision, can we confirm which users were included, when the data was collected, and whether the metric reflects sustained behavior?” This examines evidence rather than attacking the person.

Possible follow-ups

  • • What would count as stronger evidence?
  • • What limitation should the group know?
08

Learning stage

Key Takeaways

Evaluate a source by its fit for the question, not by its confidence alone. Check creator, purpose, currency, evidence, and limitations.

  • Ask who, why, when, and how.
  • Separate claims from evidence.
  • Keep conclusions proportional to evidence quality.