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795 articles found
Information technology
Why does an organization's communication structure come to resemble its software structure? This article explains the origin and logic of Conway's law, real-world examples, and the
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
The ecological fallacy is the mistake of assuming that conclusions drawn from group-level data apply equally to each individual in the group. This article covers how the name arose
Chemistry
Henry's law says that the amount of gas dissolved in a liquid is proportional to the pressure of the gas above it. This article covers why a soda fizzes when opened, what happens i
Library & information science
This time, I would like to prepare material on the information retrieval methods commonly used when searching through internet portals or looking for specialized resources. The ope
General knowledge
Why does a measure stop being a good measure once it becomes a target? This article explains the origin and logic of Goodhart's law, examples such as the cobra effect, and how to u
Statistics
After a standout exam or a praised flight, the next result often looks weaker—and after a flop, stronger. Much of that swing is regression toward the mean, not praise or blame. Thi
Library & information science
This time, I would like to prepare material on how library systems develop and become automated, along with the advantages and disadvantages of introducing automation. Library auto
Statistics
An easy introduction to non-probability sampling in statistics, which selects samples based on the researcher's judgment or convenience, covering convenience, judgment (purposive),
Robotics
A collaborative robot, or cobot, is a robot designed to share a workspace with people and to reduce its own force and speed when it comes close or makes contact, so no one gets hur
Food & nutrition
In modern society, food plays an indispensable role in our daily lives. Various food additives that help maintain the taste and quality of food and allow it to be stored longer hav
Education
Why is what we learn easily so easily forgotten? This article explains desirable difficulty, as described by Robert Bjork, covering its meaning and origins, learning methods such a
