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794 articles found
Social welfare
Social welfare policy is an important policy developed to protect socially vulnerable people, reduce social inequality, and improve the quality of life of all citizens. South Korea
Statistics
Probability distributions are a core concept in statistics and data science. This article covers their basic concepts and history, the main types and their characteristics, their m
Library & information science
Information foraging theory, developed by Peter Pirolli and Stuart Card at Xerox PARC, explains how people search for information the way animals hunt for food. This article covers
Education
The jigsaw classroom is a cooperative learning method in which each student masters one piece of the material and teaches it to the group. This piece covers Elliot Aronson’s 1971 c
Logistics
In modern society, logistics is like the vast bloodstream that keeps cities and nations moving. Millions of parcel boxes move every day, container ships come and go around the worl
Statistics
The Monte Carlo method estimates an answer by repeating a huge number of random trials and averaging the results. We look at how it was born, how it works in four steps, easy examp
Robotics
How does a robot with no map work out both its surroundings and its own position? This piece explains SLAM: the chicken-and-egg problem behind it, its roots in the 1986 IEEE roboti
Journalism & communication
In this article, we aim to offer a realistic analysis of the media's social influence and ripple effects and examine the implications that can be drawn from it. The media play a ve
Tourism studies
Last chance tourism is travel to see vanishing landscapes, wildlife, or cultures before they are gone. This piece covers the concept and its origins, why people are drawn to it, we
Statistics
If a coin lands heads five times in a row, will the next toss be tails? This article explains the gambler's fallacy, the belief that past results change what comes next, along with
Logistics
How did the milk run, in which one truck visits several suppliers in turn, come about? This article explains where the name comes from, how it works, how it is used in production a
Journalism & communication
Media priming is the phenomenon in which issues the media highlights become the standards we use to judge people and policies later. From Iyengar and Kinder’s 1987 experiments and
