Cognitive Biases Library

{
  "id": 1,
  "slug": "information-bias-common-source-bias",
  "title": "Common Source Bias – when everyone repeats the same thing",
  "bias_family": "Information Bias",
  "summary": "You watch the news, read blogs, study research – and everywhere you see the same thing? It seems like solid information, but if all sources refer to the same origin, it’s just an echo, not verification.",
  "related_slugs": [
    "availability-heuristic-selection-bias",
    "extension-neglect-base-rate-fallacy",
    "availability-heuristic-frequency-illusion"
  ],
  "canonical_url": "/cognitive-biases/information-bias-common-source-bias",
  "updated_at": "2025-08-29T11:43:58.932Z"
}

{
  "id": 2,
  "slug": "belief-perseverance-conservatism-bias",
  "title": "Conservatism Bias – when new evidence doesn't change old beliefs",
  "bias_family": "Belief Perseverance",
  "summary": "You receive new information, but it barely changes your opinion? That’s Conservatism Bias – the tendency to insufficiently revise one's beliefs even when presented with new evidence.",
  "related_slugs": [
    "confirmation-bias-conservatism-bias",
    "confirmation-bias-backfire-effect",
    "cognitive-dissonance-ben-franklin-effect"
  ],
  "canonical_url": "/cognitive-biases/belief-perseverance-conservatism-bias",
  "updated_at": "2025-08-29T12:09:47.664Z"
}

{
  "id": 3,
  "slug": "cognitive-rigidity-functional-fixedness",
  "title": "Functional Fixedness – when objects can only be used one way",
  "bias_family": "Cognitive Rigidity",
  "summary": "Do you see an object and think it can only be used for its intended purpose? That’s Functional Fixedness – the tendency to perceive an object only in its traditional role, ignoring other possible uses.",
  "related_slugs": [
    "cognitive-rigidity-functional-fixedness",
    "framing-effect-decoy-effect"
  ],
  "canonical_url": "/cognitive-biases/cognitive-rigidity-functional-fixedness",
  "updated_at": "2025-09-02T05:38:57.044Z"
}

{
  "id": 5,
  "slug": "apophenia-clustering-illusion",
  "title": "Clustering Illusion – when randomness looks like a pattern",
  "bias_family": "Apophenia",
  "summary": "Do you see patterns where none exist? That’s Clustering Illusion – the tendency to overestimate the importance of small streaks, clusters, or runs in large sets of random data.",
  "related_slugs": [],
  "canonical_url": "/cognitive-biases/apophenia-clustering-illusion",
  "updated_at": "2025-09-01T10:38:02.309Z"
}

{
  "id": 6,
  "slug": "apophenia-illusory-correlation",
  "title": "Illusory Correlation – when you see a connection that isn’t there",
  "bias_family": "Apophenia",
  "summary": "Do you think two events are connected when it’s just coincidence? That’s Illusory Correlation – the tendency to see a relationship between unrelated things.",
  "related_slugs": [
    "apophenia-clustering-illusion",
    "apophenia-pareidolia",
    "logical-fallacy-berksons-paradox"
  ],
  "canonical_url": "/cognitive-biases/apophenia-illusory-correlation",
  "updated_at": "2025-09-01T10:38:02.309Z"
}