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794 articles found
Psychology
A “list price” makes a sale price feel cheap, and an opening offer steers a whole negotiation—because the first number we see becomes our benchmark. This article explains the ancho
Statistics
The secretary problem asks how to maximize the chance of picking the very best candidate when you must decide on each one on the spot. This article explains its rules, why the answ
Chemistry
A flame test identifies metal elements by the unique color of light they emit in a flame. This piece covers how the colors arise, Bunsen and Kirchhoff’s spectroscopy, fireworks, an
Business administration
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
Why do we sit through a dull movie just because we paid for the ticket? This guide explains sunk costs, the bygones principle, why people fall into the sunk cost fallacy, classic e
Psychology
The halo effect is a bias in judgment in which the impression from one standout trait spills over into how we rate other, unrelated traits. This piece covers the research that firs
General knowledge
This time, I would like to prepare material on eye movements during reading and speed reading. Here, eye movements during reading refer to the movements the eyes make as they follo
Robotics
What determines how a robot can move? This article explains degrees of freedom, covering what the term means, how six-axis industrial robot arms work, the degrees of freedom of the
Information technology
The CAP theorem states that a distributed system cannot guarantee consistency, availability, and partition tolerance all at once. This article covers how the theorem came about and
Film & media
The Kuleshov Effect is the phenomenon in which viewers create new meaning and emotion on their own when the same shot is joined to different shots. This article covers the concept
General knowledge
A guide to the connectors and ports used to hook up a monitor: the difference between a connector and a port, the features of HDMI, DisplayPort, DVI, and VGA, a comparison of the m
Journalism & communication
Why do we feel that we are fine and only other people are swayed by the media? This article explains the third-person effect and Davison's classic hypothesis, self-enhancement and
