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794 articles found
Business administration
The decoy effect is when a deliberately less attractive option makes another product look better. This piece explains asymmetric dominance from Huber, Payne and Puto’s 1982 study,
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
Robotics
Grey Walter’s Tortoises were small robots built in the late 1940s by British neurophysiologist William Grey Walter that explored their surroundings on their own using just two vacu
Library & information science
Why do a small number of researchers write so many papers? This article covers the inverse square law Lotka identified in 1926, its uses in bibliometrics, and its limits, such as e
Business administration
This time, we will explore the BCG matrix, a tool for assessing a company's current situation and analyzing the direction it should take in the future. The BCG matrix is a corporat
Psychology
Why are some people so confident even when they do poorly on a test, while experts often seem modest? This article explains the Dunning-Kruger effect and the classic study behind i
Business administration
The experience curve is the phenomenon in which the cost of making one unit falls by a fixed percentage every time cumulative production doubles. This piece covers its origins, fro
Business administration
Systematically analyzing a company's external environment is very important when developing a business strategy. One widely used tool for analyzing this external environment is PES
Physics
An object in a fluid is buoyed up by the weight of the fluid it displaces. This piece explains Archimedes’ principle, why buoyancy comes from pressure differences with depth, when
Logistics
Order picking is the work of retrieving the items a customer ordered, in the right quantities, from where they are stored. We look at why it can account for up to 55% of warehouse
Journalism & communication
Why do we pick the media we do? Uses and Gratifications Theory, systematized in the 1970s by Elihu Katz, Jay Blumler, and others, sees people not as passive receivers of messages b
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
