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Sejong Insider Staff

Why Experience Does Not Eliminate Risk Bias

Experience is often treated as a cure for poor judgment. The assumption is that with time and repeated exposure, people learn restraint, accuracy, and realism. In systems involving repeated risk, however, this assumption frequently fails. Confidence grows while accuracy does not. Familiarity increases, yet bias persists. This is not because

Why Humans Expect Balance in Random Sequences

When people encounter random outcomes, they instinctively expect balance. Wins should offset losses. High results should be followed by low ones. Over time, things are expected to flatten out in a visible, orderly way. When this does not happen, randomness begins to feel suspicious. This expectation runs deep. It feels

Why Confidence Grows Faster Than Understanding

Confidence often arrives early. Understanding takes time. In systems built around repeated decisions, constant feedback, and persistent uncertainty, this gap becomes especially visible. People grow increasingly certain about what they are doing long before they can explain why outcomes occur—or what those outcomes actually represent. This separation is not accidental.

When Efficient Systems Feel Unfair

Efficient systems are designed to operate quickly and consistently. Information moves fast, responses converge, and outcomes reflect signals with minimal delay. From a technical standpoint, this is often how fairness is implemented at scale: the same rules are applied uniformly, with speed and reach. Yet the lived experience of people

Why Winning Is a Poor Measure of Performance

Winning feels definitive. It has closure, relief, and a clean narrative of success. When an outcome goes our way, it is natural to assume we did something right. Over time, wins become a convenient stand-in for ability, improvement, and skill. Losses, by contrast, feel like evidence of failure. The problem

What Odds Actually Mean (and What They Do Not)

Odds are commonly treated as predictions. The numbers appear to signal what will happen next, how likely an outcome is, or which side is “right.” When the direction implied by the odds does not match the eventual result, confusion follows. Systems feel opaque, numbers lose credibility, and doubts about fairness

Why Probability Figures Feel Like Predictions — but Are Not

Probability figures often feel like predictions. When people see a numerical likelihood attached to an outcome, they instinctively interpret it as a statement about what will happen next. High numbers feel reassuring, while low numbers feel easy to dismiss. This reaction is intuitive, but deeply misleading. The core issue is

How Decimal Odds and Fractional Odds Actually Communicate Risk

Decimal odds and fractional odds are often described as two different ways of expressing the same information. Technically, this is correct. Both formats quantify the same underlying probability. In real-world use, however, the two formats feel very different, invite different interpretations, and repeatedly create confusion—even among experienced users. This confusion

How Odds Quietly Embed System Revenue

Odds are commonly described as reflections of probability. When numbers move, people assume they are tracking the likelihood of an outcome occurring. What is often overlooked is that odds are simultaneously a pricing mechanism. They do not exist solely to describe uncertainty; they are part of a structure designed to

Why Odds Change Even When Nothing Happens

It is common to interpret probability figures, the numbers used to communicate risk, as predictions of what will happen. When a system assigns a high probability to an outcome, the intuitive response is to expect that outcome to occur. If it does not, the figure is often viewed as “wrong.”