Daniel R. Pimentel
Original article: Pimentel, D. R. (2025). Learning to evaluate sources of science (mis) information on the internet: Assessing students' scientific online reasoning. Journal of Research in Science Teaching, 62(3), 684-720.

Students frequently turn to the internet to learn about science, but they often struggle to tell the difference between legitimate research and misleading content. Recent research highlights how high school teachers can help students by integrating practical source-evaluation strategies directly into their existing science lessons.

Why This Matters

Most students judge the credibility of a website based on how "professional" it looks, its domain name (like .org), or other surface-level features. In an era of sophisticated science mis- and disinformation, these features are easily faked, leaving students vulnerable to false claims that resemble real science.

What the Research Found

• Shifting Student Habits: After a classroom intervention, which included guided practice, students moved away from judging a site by its appearance and began investigating the authors and the organizations behind the claims.

• Spotting Denial Groups: Students became significantly better at distinguishing between credible scientific institutions and misleading sources.

• Three Key Criteria: Success was driven by teaching students to look for three specific things: conflicts of interest, relevant scientific expertise, and alignment with scientific consensus.

Practical Tips for Teachers

Science teachers can support "digital literacy" without needing an entirely new unit by using these five design principles:

• Use Authentic Sources: Give students real examples of both credible and misleading websites to compare.

• Teach Online Reasoning Strategies: Teach students to use strategies like “lateral reading,” leaving a website and use other tabs to investigate the source, “click restraint,” scanning and being intentional about which search results you click on, and “wise use of Wikipedia,” learning when and how to use Wikipedia to get acquainted with a new topic. These are all strategies used by professional fact-checkers.

• Discuss How Scientific Institutions Work: Help students understand how scientific knowledge is vetted by experts (e.g., peer reviewed), agreed upon by scientists (e.g., the role of consensus), and funded so they can identify potential biases.

• Provide Scaffolds for Reasoning with Multiple Online Sources: Use "anchor charts," sentence starters, and graphic organizers to help students track information across multiple websites.