Thinking Fast and Slow

Synthesises decades of research in behavioral science, to explain why human beings are predictably irrational and often make error-prone decisions. “Nothing in life is as important as you think it is, while you are thinking about it” Key Principle: The Mind has two systems. System 1 (fast, intuitive) and System 2 (slow, analytical) Part 1: Two Systems System 1 operates automatically and quickly, with no effort and no voluntary control. ...

11 May 2026 · 4 min · Stephanie Rebecca

Superforcasting

In 2011, IARPA, the research arm of the US intelligence community, launched a massive competition to identify cutting-edge methods to forecast geopolitical events. Four years, 500 questions, and over a million forecasts later, the Good Judgment Project (GJP) led by Philip Tetlock and Barbara Mellers at the University of Pennsylvania emerged as the undisputed victor in the tournament. GJP’s forecasts were so accurate that they even outperformed those of intelligence analysts with access to classified data. One of the biggest discoveries of GJP were the Superforecasters: GJP research found compelling evidence that some people are exceptionally skilled at assigning realistic probabilities to possible outcomes even on topics outside their primary subject-matter training. ...

8 May 2026 · 4 min · Stephanie Rebecca