r/cognitivebias

Community Overview
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About r/cognitivebias

Reddit community discussing cognitive biases and debiasing techniques relevant to improving forecasting accuracy.

The community at a glance

r/cognitivebias is a Subreddit for Forecasters with roughly 356 members. It has been around since 2013. It uses a forum format for communication.

Roughly 30 members have joined in the past year. Popular discussion topics include Cognitive Bias, Name, and Base Rate. Common discussion themes are Solution Requests and Advice Requests.

On Reddit
Established 2013
356 Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +30 members
Growth: +9.2% / year

Member growth over time

All time (yearly)

  • 2024: 29 members
  • 2025: 31 members
  • 2026: 26 members

Past year (monthly)

  • Nov: 2 members
  • Dec: 2 members
  • Jan: 8 members
  • Feb: 1 members
  • Mar: 2 members
  • Apr: 2 members
  • May: 4 members
  • Jun: 3 members
  • Jul: 1 members
  • Aug: 2 members
  • Sep: 2 members
  • Oct: 1 members

Themes

  • Solution Requests
    4 posts in the past month
    1. Is there a specific name for this sort of cognitive bias?
    2. Name that bias!?
    3. trying to find out the name of a bias
    #1
    Solution Requests
    Is there a specific name for this sort of cognitive bias? · Name that bias!? · trying to find out the name of a bias
    4
  • Advice Requests
    3 posts in the past month
    1. Help identifying this cognitive bias
    2. Where to find detailed explanation for every cognitive Bias ?
    3. Tool zur Selbstreflexion: Kognitive Verzerrungen in eigenen Entscheidungen erkennen – Feedback gesucht
    #2
    Advice Requests
    Help identifying this cognitive bias · Where to find detailed explanation for every cognitive Bias ? · Tool zur Selbstreflexion: Kognitive Verzerrungen in eigenen Entscheidungen erkennen – Feedback gesucht
    3

Topics

  • Cognitive Bias
    28 posts in the past month
    1. Cognitive Bias Flash cards
    2. Who here wants to discuss Cognitive biases in general?
    3. Conflict management in culturally diverse teams - the role of cognitive biases
    #1
    Cognitive Bias
    Cognitive Bias Flash cards · Who here wants to discuss Cognitive biases in general? · Conflict management in culturally diverse teams - the role of cognitive biases
    28
  • Name
    3 posts in the past month
    1. Name that bias!?
    2. Name that bias! Does this mean that your company will dominate its industry if your CEO drinks a lot of Wild Turkey?
    3. Name of the bias
    #2
    Name
    Name that bias!? · Name that bias! Does this mean that your company will dominate its industry if your CEO drinks a lot of Wild Turkey? · Name of the bias
    3
  • Base Rate
    2 posts in the past month
    1. Decision Making Bias: Base Rate
    2. Base Rate Fallacy
    #3
    Base Rate
    Decision Making Bias: Base Rate · Base Rate Fallacy
    2
  • Intelligence
    1 post in the past month
    1. Research Shows That the Smarter People Are, the More Susceptible They Are to Cognitive Bias : The New Yorker
    #4
    Intelligence
    Research Shows That the Smarter People Are, the More Susceptible They Are to Cognitive Bias : The New Yorker
    1
  • Political Polarization
    1 post in the past month
    1. Political polarization increases with intelligence
    #5
    Political Polarization
    Political polarization increases with intelligence
    1
View full analysis on GummySearchSynced 10/9/2026

Frequently asked questions

Who is r/cognitivebias for?
Best for Forecasters enthusiasts looking for a Reddit-based community with forum discussion.
Is r/cognitivebias free to join?
This listing is not marked as paid-only. Access rules and any fees are decided by the community.
How many members does r/cognitivebias have?
Roughly 356 members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/cognitivebias on?
r/cognitivebias runs on Reddit. Reddit communities (or "subreddits") are forum-based groups on the popular social news aggregation, web content rating, and discussion website Reddit. Reddit is commonly known as "the front page of the internet". Users submit content to the site such as links, text posts, and images, which are then voted up or down and discussed by other members. From investing Reddit communities, to professional ones, to ones just for laughs, you're likely to find a community for you on Reddit.
What topics does r/cognitivebias cover?
On the Hive Index, r/cognitivebias is organized under Forecasters.
How do I join r/cognitivebias?
You can join r/cognitivebias by clicking this link, or pressing the "Go to community" button above.
What are the Prediction Markets communities like?
Online communities for forecasting future events, debating prediction markets, and sharpening your probabilistic thinking skills.
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Added 10/14/2026

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