General knowledge
When the Number Becomes the Goal: Goodhart's Law
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
Articles to explore
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810 articles found
Statistics
Numbers That Flip When Combined: Simpson's Paradox
Simpson's paradox is the phenomenon in which a relationship seen within separate groups weakens or even reverses when the groups are combined. This article covers its definition, w
Social welfare
Why Do We Need Community Welfare, and What Are Some Examples in Korea?
What community welfare is, why it matters, its three types (preventive, supportive, and developmental), and five examples of community welfare services from regions across Korea.
Economics
Market Equilibrium and Price Changes: The Core Principles of Supply and Demand
The basic concepts of supply and demand, how market equilibrium and the equilibrium price form, how price changes affect quantity demanded and supplied, what shifts the demand and
Psychology
Effective Approaches and Recovery Methods for Overcoming Trauma
Psychological shock is an issue that significantly affects an individual's mental health and is a factor that cannot be ignored in everyday life. It usually occurs in situations in
General knowledge
Effective Report Writing: Key Strategies for Success
Effective report writing is one of the essential elements of achieving success in the workplace. Reports play an important role in communicating information and making decisions, a
Psychology
The Concept of Memory and Ways to Remember: Sensory, Short-Term, and Long-Term Memory
This time, I would like to put together some material on the concept of memory as an element of psychology. Understanding the content of this material may help with studying and le
Education
Set the Destination First, Then Lay the Road: Backward Design
Backward design is a way of planning lessons by starting from the destination, not the activity. This article covers how it differs from the usual approach, its three stages, the s
Food & nutrition
The Secret of Foods That Don't Spoil: Water Activity
Why doesn't honey spoil easily even though it contains water? This article explains water activity, a measure of the free water in food, and how it is measured, the limits below wh
Food & nutrition
Types and Functions of Fat, and How Should You Eat It?
Fat provides energy, builds cell structures, and helps absorb essential fatty acids and vitamins, but eating too much can cause health problems. This article explains what fat is,
Logistics
The Task That Holds Half of Warehouse Costs: Order Picking
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
Chemistry
Everything About New Drug Development: From Drug Design to Clinical Applications
Medicinal chemistry is an important foundational field in modern medicine, playing an essential role in understanding the molecular structures and mechanisms of action of drugs use