The hottest Behavioral Substack posts right now

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Highlights From The Comments On Missing Heritability

Astral Codex Ten • 6194 implied HN points • 03 Jul 25
🔬 Science Behavioral
  1. Genetic and environmental interactions matter a lot in understanding traits. Some traits are influenced by how genes work together with the environment, which makes it tricky to measure their heritability accurately.
  2. Using genetic scores from one population in another can lead to incorrect conclusions about intelligence differences. This happens because different groups might have different gene structures affecting traits, leading to wrong assumptions about genetic causes of observed differences.
  3. Research methods like twin studies and adoption studies can show different heritability estimates. It's important to carefully consider the assumptions behind these studies, as biases can impact results significantly.

The Minds of Economists

Bastiat's Window • 609 implied HN points • 31 Jan 24
💰 Finance Behavioral
  1. Understanding the minds of economists shapes their work and vision.
  2. Economic thinking leads to humanizing perspectives and ethical considerations.
  3. There is often a contrast between the economic principles known and actual behavior.

Don't tell me what to do 😡 — Reactance bias

10x your mind • 119 implied HN points • 18 Aug 22
🏥 Health & Wellness Behavioral
  1. People often react adversely when told what to do, leading to the reactance bias where they do the opposite just to assert their freedom of choice
  2. Feeling out of control can increase the desire to go against restrictions, like strict rules on teenagers may push them to break them
  3. Having many options can create a sense of security, even if some features may never be used, leading to biased buying decisions

Master Protocols: A Tool for Increasing the Reliability of Behavioral Evidence

The Good Science Project • 26 implied HN points • 30 Aug 23
🔬 Science Behavioral
  1. Behavioral interventions are crucial for promoting public health alongside biomedical products.
  2. Replications of trials of behavioral interventions in multiple settings are crucial for reliable scientific knowledge.
  3. Master protocols can increase the reliability of behavioral research by coordinating trials and meta-analyses across diverse populations and settings.

Your Brain is Wrong About Probability

The Palindrome • 2 implied HN points • 01 Jul 25
🔬 Science Behavioral
  1. Our brains often misunderstand probability, leading us to make poor decisions. We think past events can change future outcomes, but each event is independent.
  2. In games like poker, winning one hand might be luck, but winning consistently is about skill and understanding the odds.
  3. Chasing losses, like believing you're 'due' for a win after losing, can lead to financial problems. It's important to recognize that bad luck doesn't influence future chances.
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