Learning Science 6 min readMay 2025

The Format Problem in Education: Why Students Fail Despite Trying

Also published on Medium

Most students who struggle academically are not bad at learning. They are trying to use the right tool for the wrong job. The tool is text. The job is understanding.

Why Effort Is Not the Whole Answer

Every year, millions of students sit down with their textbooks, work through the chapters, underline the key points, and re-read the sections they do not understand. They put in the hours. They show up. And they still walk out of the exam unsure whether anything stuck.

This outcome is too common to be a failure of individual students. When a problem is this consistent, it is a systemic issue — not a personal one. The research suggests the answer has less to do with how hard students study and much more to do with what format they study in.

What Is the Format Problem?

Education has a persistent format mismatch. The human brain processes images 60,000 times faster than text. The visual cortex is the largest sensory processing system in the brain — roughly 30% of cortical capacity, compared to 8% for touch and 3% for hearing. We are, as a species, visual and spatial processors first.

Yet the dominant format for delivering academic content remains dense, linear text. Textbooks. Notes. Paragraph-heavy explanations. Allan Paivio's Dual Coding Theory, published in 1971, established that information encoded through both verbal and visual channels creates two independent memory traces — making it significantly more durable and more retrievable than text alone. That research is over 50 years old.

The Numbers That Should Have Changed Everything

Three statistics, each well-cited in learning science. After 72 hours, people retain approximately 10% of information learned through reading alone (Mayer, 2009). When the same information is paired with relevant visual representations, retention rises to approximately 65% — consistent with Paivio's Dual Coding Theory (1971).

That is a 6× difference in outcome. For the same information. At the same level of effort. The variable is format.

Try it yourself — toggle between the two versions of the same concept below.

Topic: Photosynthesis

Photosynthesis is the process by which plants use sunlight, water and carbon dioxide to produce oxygen and energy in the form of glucose. During the light-dependent reactions in the thylakoid membrane, light energy is absorbed by chlorophyll molecules and converted into chemical energy stored in ATP and NADPH. In the Calvin cycle, which takes place in the stroma, this chemical energy is used to fix carbon dioxide into three-carbon compounds which are ultimately used to synthesise glucose...

Retention after 72 hours: ~10%

Same information. Different format. 6× different outcome. Toggle to compare.

How the Brain Learns: A Brief Taxonomy

The comprehensive review by Dunlosky et al. (2013) rated common study techniques by their effectiveness. Re-reading and highlighting were rated low utility — among the least effective strategies available. Retrieval practice (testing yourself before reviewing) and spaced repetition were rated high utility, with effect sizes significantly larger than the techniques most students actually use.

Visual learning, when done well, enables both. A diagram a student interacts with activates elaborative interrogation. A smart quiz generates retrieval practice. These are not separate ideas.

What a Format-First Approach Looks Like

Proglly is built around one proposition: the same information, delivered in the right format, produces significantly better outcomes. Type any topic. In under 60 seconds, receive visual cards, a real diagram, an interactive diagram, a mindmap, and a smart quiz — each applying a different principle from the research. Five formats. One topic. Thirty seconds.

Try It Now

Read about it. Then experience it.

Type any topic. Visual cards, diagrams, mindmap, and quiz in 60 seconds. No signup required.

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References

  • Paivio, A. (1971). Imagery and Verbal Processes. New York: Holt, Rinehart and Winston.
  • Mayer, R. E. (2009). Multimedia Learning (2nd ed.). Cambridge University Press.
  • Dunlosky, J. et al. (2013). Improving students' learning with effective learning techniques. Psychological Science in the Public Interest, 14(1), 4–58.