Design
The More Choices, the Slower the Decision: Hick's Law
Why do decisions take longer the more options there are? This article explains Hick's Law, covering its meaning and origins in a lamp experiment, decision time that grows logarithm
Articles to explore
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784 articles found
General knowledge
How Glasses and Vision Correction Work: Correcting Nearsightedness, Farsightedness, and Astigmatism
The main types of vision problems such as myopia, hyperopia, astigmatism, and presbyopia, the science of lenses, materials, and coatings, how each problem is corrected, other corre
Economics
Only the Bad Cars Remain: The Market for Lemons
Why can good products disappear from a market where buyers cannot judge quality? This article covers Akerlof's 1970 paper, how adverse selection drives good goods out, examples bey
Business administration
Five Directions of Pressure That Erode Profits: Porter's Five Forces
Porter's Five Forces is a framework for judging how profitable an industry is by looking at five pressures around a company. This article covers why it emerged, what the five force
Physics
Proof That the Earth Turns: The Foucault Pendulum
The Foucault Pendulum is a device that shows the Earth's rotation with your own eyes: a heavy bob on a very long wire whose plane of swing slowly turns relative to the ground. We l
Business administration
The PDCA Cycle for Achieving Goals
This time, I would like to prepare material on the PDCA cycle for achieving goals and improving organizations. PDCA (plan–do–check–act) is a method for managing production, quality
Economics
Same Product, Different Price: Price Discrimination
Price discrimination is the strategy of selling the same product or service at different prices to different groups of consumers. This article covers the concept, the first-, secon
Earth science
Why Cities Run Hotter: The Urban Heat Island
An urban heat island is when a city runs warmer than the countryside around it. This piece covers Luke Howard’s early records in London, why pavement and buildings trap heat, how t
Social welfare
A Life Outside the Market: Decommodification
Can you still protect your livelihood when illness or job loss keeps you from working? This article explains decommodification as defined by Gøsta Esping-Andersen, the criteria use
Education
The Power to Use What You Learned Somewhere New: Transfer of Learning
Transfer of learning is the way earlier knowledge or skills affect learning and problem solving in new situations. This piece covers the concept and its origins, the main types of
Food & nutrition
Types and Functions of Fat, and How Should You Eat It?
Fat provides energy, builds cell structures, and helps absorb essential fatty acids and vitamins, but eating too much can cause health problems. This article explains what fat is,
Business administration
Does Going First Win? First-Mover Advantage
First-mover advantage is the edge a company gains by entering a market before anyone else. We look at where that edge comes from, the costs pioneers pay, what historical research r