Modeling and Practice (Source Evaluation)¶

Strategy · All strategies
Evidence · 2 claims (2 for) · 4 studies (4 causal), q2–q3 · 0 of 4 report an effect size · 1 claim rests on one study

Description¶

This strategy pairs explicit Demonstration of source-evaluation moves — lateral reading, checking author credentials, detecting bias and stance, negotiating conflicting perspectives — with repeated, feedback-rich Practice on authentic online sources. The instructor makes expert evaluation visible by narrating decisions aloud ("I'm leaving this site to see what other outlets say about it…"), then gradually transfers responsibility to learners as they evaluate sources in their own research.

Design Implications¶

Source evaluation is a procedural skill that novices cannot acquire from rules alone; they need to observe expert performance and then apply the moves themselves with feedback. Instruction in civic online reasoning reliably improves students' evaluation of digital sources Instruction in civic online reasoning improves students' evaluation of online sources. [+S]. The critical design insight from research on expert fact-checkers is that experts evaluate laterally — leaving the source to investigate it — while novices stay on the page and read vertically; modeling this lateral move explicitly is what distinguishes effective instruction from simply telling students to "check credibility" [~S].

Context¶

Requirements¶

• A live browser or projected screen so learners can observe the actual search and verification moves, not just hear about them (Think-Aloud narration)
• A curated set of authentic sources spanning credible, biased, and deceptive material for practice
• Repeated, distributed practice opportunities embedded in real research tasks, not one-off lessons
• Feedback on learners' own evaluations, ideally against expert judgments

Constraints¶

• One-shot lessons or standalone "media literacy units" produce fragile learning; skills decay without integration into ongoing research work [-M]
• Learners may overestimate their evaluation skill after watching demonstrations alone, so practice must be required, not optional [-S]
• Curating realistic deceptive sources takes significant instructor time and must be handled carefully with younger learners
• Vertical-reading habits are deeply entrenched; learners often revert under time pressure unless lateral reading is practiced to automaticity [~M]

Implementation Variability¶

• Full demonstration → guided practice → independent application: the standard Scaffolding arc, with Fading from worked evaluations to learner-led ones
• Contrasting cases: evaluate a credible source alongside a near-identical deceptive one to sharpen discrimination (Non-Examples)
• Embedded vs. standalone: evaluation practice woven into a research project transfers better than isolated exercises [+M]
• Peer evaluation: students evaluate each other's cited sources in Class Discussion, adding accountability

Target Learners¶

• Adolescents and adults conducting online research; even college students show weak baseline evaluation skills Instruction in civic online reasoning improves students' evaluation of online sources. [+S]
• Novices with little prior knowledge of how online information ecosystems work — they benefit most from explicit modeling Worked examples reduce unnecessary search for novices. [+M]
• Learners with strong domain knowledge still need evaluation-specific modeling; expertise in a subject does not transfer to evaluating sources about it [~M]

Target Learning Goals¶

• Procedural skill: executing lateral reading, credential checks, and bias detection fluently
• Epistemic cognition: understanding why source authority must be established independently of the source's own claims
• Transfer: applying evaluation strategies to unfamiliar sources encountered outside class Instruction in civic online reasoning improves students' evaluation of online sources. [+M]

Instructions¶

1. Model with a think-aloud: project a real source and narrate expert moves — open new tabs, search the organization's name, check the author's history (Demonstration, Think-Aloud)
2. Contrast with a novice approach: show vertical reading failing on the same source so learners see why lateral reading works (Non-Examples)
3. Guided practice: learners evaluate similar sources in pairs or with a checklist, with the instructor coaching and giving feedback (Practice, Coaching, Provide Feedback)
4. Independent application in research: require documented evaluation of every source cited in an actual project, with spot-check feedback (Application of Knowledge)
5. Distribute and revisit: schedule brief re-practice across the term rather than concentrating it in one unit (Distributed Practice)

Related Strategies¶

• A Finder's Guide to Facts — a framing device for teaching students how to locate reliable information rather than just avoid bad information
• Case-Based Learning — real misinformation cases give evaluation practice authentic stakes

Examples¶

• Stanford History Education Group — Civic Online Reasoning curriculum — free lessons in which teachers model lateral reading and students practice evaluating real websites, tweets, and images; the curriculum is built directly on this model-then-practice structure.
• A research-writing instructor projects a slick advocacy site, narrates a lateral search that reveals its funding, then has students run the same moves on sources they plan to cite, submitting annotated screenshots as evidence of evaluation.
• A school librarian runs monthly "source sleuth" sessions where students race to verify a viral claim, comparing strategies afterward in discussion.

Key Sources¶

• Wineburg, S., & McGrew, S. (2019). Lateral reading and the nature of expertise: Reading less and learning more when evaluating digital information. Teachers College Record, 121(11), 1–40. doi:10.1177/016146811912101102
• Breakstone, J., Smith, M., Wineburg, S., Rapaport, A., Carle, J., Garland, M., & Saavedra, A. (2021). Students' civic online reasoning: A national portrait. Educational Researcher, 50(8), 505-515. doi:10.3102/0013189x211017495
• Collins, A., Brown, J. S., & Newman, S. E. (1989). Cognitive apprenticeship: Teaching the crafts of reading, writing, and mathematics. In L. B. Resnick (Ed.), Knowing, learning, and instruction: Essays in honor of Robert Glaser (pp. 453–494). Lawrence Erlbaum. doi:10.4324/9781315044408-14
• Bandura, A. (1977). Social learning theory. Prentice Hall.
• McGrew, S., Breakstone, J., Ortega, T., Smith, M., & Wineburg, S. (2018). Can students evaluate online sources? Learning from assessments of civic online reasoning. Theory & Research in Social Education, 46(2), 165-193. doi:10.1080/00933104.2017.1416320