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809 articles found
Statistics
Standard deviation plays an important role in describing data variability and is an essential concept used in a wide range of practical situations. In data analysis and decision-ma
Chemistry
Environmental problems involving chemicals are recognized as among the serious environmental problems worldwide. Various chemicals released by human activities pollute the air, wat
Education
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
Journalism & communication
A news embargo (Embargo) is one of the terms frequently encountered in the modern media environment. The embargo system, which sets a reporting time in advance to prevent informati
Information technology
Linus’s Law says that given enough eyeballs, all bugs are shallow. This piece covers its origin in Eric Raymond’s The Cathedral and the Bazaar, why many eyes help find bugs, the li
General knowledge
This time, I would like to introduce brainstorming, a technique used especially often in situations that call for ideas. Although it is already a well-known technique, some people
Food & nutrition
What is the deep, savory taste that is neither salty nor sweet? This article covers umami from Kikunae Ikeda's discovery to glutamate, inosinate and guanylate, the synergy effect,
Business administration
The Theory of Constraints holds that a system's performance is determined by its single weakest link, so that constraint should be found and managed with focus. Learn what it is, t
Education
Andragogy is the art and science of helping adults learn. This article covers how the idea emerged, Malcolm Knowles’s six assumptions about adult learners, examples from everyday l
Business administration
The principal-agent problem is the conflict that arises when the interests of the person who hands over a job and the person who takes it on diverge. We look at why it happens, how
Psychology
Psychology uses the concepts of personal space and territory to study how we perceive and try to protect our physical and emotional space. Personal space and territory are importan
Statistics
Why do conclusions drawn only from what survived so often mislead us? This article explains survivorship bias: what it is and how it arises, the story of the World War II bombers,
