Core Learning Methods & Pedagogy

01. Retention Science

The Learning Pyramid

The Learning Pyramid shows how different learning methods affect how much we remember. It divides these methods into two main groups:

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Passive Learning

Listening, reading, and watching result in rapid forgetting—with retention rates dropping below 30%.

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Active Learning

Conversing, doing, and teaching others lead to deep mental integration—retaining up to 90% of the material.

Average Retention Rates Based on learning methods

Passive Learning

📣 Lecture 5%

📖 Reading 10%

🎬 Audio-Visual 20%

🧪 Demonstration 30%

Active Learning

💬 Discussion Group 50%

🛠️ Practice by Doing 75%

🎓 Teaching Others 90%

“That’s just the way it is...”

02. Time Efficiency

Why did we make the periods 45 minutes?

Traditional schools divide the day into 45-minute periods. However, science shows that this format is bad for learning.

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Prussian (Germany) Legacy (1819): The 45-minute period and school bells came from a Prussian(Germany) decree in 1819. It was designed to train obedient factory workers. It has nothing to do with educational science. Why do we still follow it ?

“That’s just the way it is...”
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Attention Span Limits: Children can focus on a lecture for only 2 to 3 minutes per year of their age. A 10-year-old child can focus for 15 to 20 minutes. Anything longer is wasted time.
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Context-Switching Cost: Forcing a child's brain to switch between 6 to 8 different subjects a day causes mental exhaustion. Their focus stays stuck on the previous subject.
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Deep focus / Flow State: Deep learning happens when a student enters a state of deep focus ("flow"). Traditional schedules break this focus; just as the brain starts to understand a topic, the bell rings.
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The Benefit of Block Time: Longer sessions (such as 2 hours) are much better. They let students learn, practice, and review in one go, without losing time packing and unpacking books every 45 minutes.

References:

● Prussian Schooling Reforms (1819): Designed a rigid system of bells, standard periods, and obedience to train compliant factory workers and soldiers, prioritizing control over active thinking.
● National Association for the Education of Young Children (NAEYC): Confirms the child developmental rule of focus (2–3 minutes per year of age). Shows that passive lectures exceeding this window do not result in retention.
● Attention Residue Study (2009), Dr. Sophie Leroy (University of Minnesota): Proven research on "attention residue," showing that quickly switching subjects leaves part of the brain focused on the prior topic, causing cognitive fatigue.
● Flow: The Psychology of Optimal Experience (1990), Mihaly Csikszentmihalyi: Proves that deep learning requires entering a "flow state"—an uninterrupted period of focus that standard school scheduling constantly disrupts.

03. Mental Model

Feynman's Golden Rule

Richard Feynman, the legendary theoretical physicist, was famously nicknamed the "Great Explainer" for his ability to translate dense, mathematical concepts into clear, simple analogies that anyone could understand.

"The role of genius is not to complicate the simple, but to simplify the complicated."

Criss Jami

The Techniques: 4-Step Practical Method

Step 01

Choose & Study

Write down the subject you want to master. Read documentation, review materials, and write notes to build a fundamental mental framework of the concept.

Step 02

Explain to a Child

Write down a simple explanation of the concept as if you were explaining it to a young child. Avoid any technical terms, acronyms, or complex jargon.

Step 03

Identify & Fill Gaps

Identify areas in your explanation where you got stuck, struggled to explain simply, or resorted to complex vocabulary. Go back to primary sources to fill these specific gaps.

Step 04

Review & Analogize

Clean up your simple description and construct a vivid analogy (e.g., comparing databases to digital file cabinets) to finalize your understanding and anchor the memory.