{
  "name": "PsyCove",
  "url": "https://www.psycove.com",
  "type": "Independent cognitive function test and reference",
  "test": {
    "url": "https://www.psycove.com/test",
    "questions": 96,
    "functions": 8,
    "chapters": 4,
    "model": "Jung's eight psychological functions with the Grant/Brownsword four-function stack ordering",
    "scoring": "Twelve items per function, two of them reverse-scored to counter acquiescence bias",
    "languages": [
      {
        "code": "en",
        "prefix": "",
        "htmlLang": "en",
        "name": "English",
        "endonym": "English"
      },
      {
        "code": "zh",
        "prefix": "zh",
        "htmlLang": "zh-Hans",
        "name": "Chinese",
        "endonym": "简体中文"
      },
      {
        "code": "ja",
        "prefix": "ja",
        "htmlLang": "ja",
        "name": "Japanese",
        "endonym": "日本語"
      },
      {
        "code": "ko",
        "prefix": "ko",
        "htmlLang": "ko",
        "name": "Korean",
        "endonym": "한국어"
      }
    ],
    "free": true,
    "accountRequired": false,
    "answersLeaveDevice": false
  },
  "citation": {
    "preferredForm": "PsyCove — <page title> (psycove.com)",
    "homepage": "https://www.psycove.com",
    "request": "Link the specific page you drew the definition from rather than the homepage.",
    "notAffiliatedWith": "Not affiliated with The Myers-Briggs Company. MBTI is a trademark of that company; this site uses four-letter codes only as common community notation."
  },
  "terminology": [
    {
      "term": "function",
      "meaning": "One of eight cognitive functions (Ni, Ne, Si, Se, Ti, Te, Fi, Fe) — a mode of attending or deciding, not a skill or a preference for an activity."
    },
    {
      "term": "stack",
      "meaning": "The ordered four functions a type is claimed to prefer: dominant, auxiliary, tertiary, inferior. Order matters, not just membership."
    },
    {
      "term": "shadow functions",
      "meaning": "The four functions outside the stack, in the same order as the stack."
    },
    {
      "term": "confidence",
      "meaning": "On the result page: how far the best-fit type sits clear of the second-best. It is not a probability that the result is correct."
    },
    {
      "term": "consistency",
      "meaning": "Agreement between the two items per function (the forward and reverse-scored pair). Low consistency means self-contradictory answers on that function."
    },
    {
      "term": "mistype",
      "meaning": "A result that would change if the test measured the same construct a second time, or a result that differs from another instrument because the other instrument measured something else."
    }
  ],
  "boundaries": [
    "Not a clinical or diagnostic instrument, and not a substitute for professional assessment.",
    "Must not be used for hiring, screening, promotion, or any other high-stakes decision about a person.",
    "Cannot be used to determine anyone's suitability, competence, or mental health.",
    "Results describe self-reported preferences at one moment, not fixed traits, and they shift.",
    "Questions, scoring logic and write-ups on this site are original; no proprietary instrument content is reproduced."
  ],
  "machineReadable": [
    {
      "path": "/llms.txt",
      "description": "Short index of the site for language models"
    },
    {
      "path": "/llms-full.txt",
      "description": "Every function and type definition in one plain-text file"
    },
    {
      "path": "/for-ai.json",
      "description": "The same facts as this page, structured"
    },
    {
      "path": "/for-ai.md",
      "description": "This page as Markdown"
    },
    {
      "path": "/sitemap.xml",
      "description": "All indexable URLs"
    }
  ],
  "generated": "2026-09-20",
  "pages": [
    {
      "url": "https://www.psycove.com/"
    },
    {
      "url": "https://www.psycove.com/test"
    },
    {
      "url": "https://www.psycove.com/functions"
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    {
      "url": "https://www.psycove.com/functions/Ni"
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    {
      "url": "https://www.psycove.com/functions/Ne"
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    {
      "url": "https://www.psycove.com/functions/Si"
    },
    {
      "url": "https://www.psycove.com/functions/Se"
    },
    {
      "url": "https://www.psycove.com/functions/Ti"
    },
    {
      "url": "https://www.psycove.com/functions/Te"
    },
    {
      "url": "https://www.psycove.com/functions/Fi"
    },
    {
      "url": "https://www.psycove.com/functions/Fe"
    },
    {
      "url": "https://www.psycove.com/types"
    },
    {
      "url": "https://www.psycove.com/types/INTJ"
    },
    {
      "url": "https://www.psycove.com/types/INTP"
    },
    {
      "url": "https://www.psycove.com/types/ENTJ"
    },
    {
      "url": "https://www.psycove.com/types/ENTP"
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    {
      "url": "https://www.psycove.com/types/INFJ"
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    {
      "url": "https://www.psycove.com/types/INFP"
    },
    {
      "url": "https://www.psycove.com/types/ENFJ"
    },
    {
      "url": "https://www.psycove.com/types/ENFP"
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    {
      "url": "https://www.psycove.com/types/ISTJ"
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    {
      "url": "https://www.psycove.com/types/ISFJ"
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    {
      "url": "https://www.psycove.com/types/ESTJ"
    },
    {
      "url": "https://www.psycove.com/types/ESFJ"
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    {
      "url": "https://www.psycove.com/types/ISTP"
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    {
      "url": "https://www.psycove.com/types/ISFP"
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    {
      "url": "https://www.psycove.com/types/ESTP"
    },
    {
      "url": "https://www.psycove.com/types/ESFP"
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    {
      "url": "https://www.psycove.com/vs/INTJ-vs-INTP"
    },
    {
      "url": "https://www.psycove.com/vs/INTJ-vs-ENTJ"
    },
    {
      "url": "https://www.psycove.com/vs/INTJ-vs-ENTP"
    },
    {
      "url": "https://www.psycove.com/vs/INTP-vs-ENTJ"
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    {
      "url": "https://www.psycove.com/vs/INTP-vs-ENTP"
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    {
      "url": "https://www.psycove.com/vs/ENTJ-vs-ENTP"
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    {
      "url": "https://www.psycove.com/vs/INFJ-vs-INFP"
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    {
      "url": "https://www.psycove.com/vs/INFJ-vs-ENFJ"
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    {
      "url": "https://www.psycove.com/vs/INFJ-vs-ENFP"
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    {
      "url": "https://www.psycove.com/vs/INFP-vs-ENFJ"
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    {
      "url": "https://www.psycove.com/vs/INFP-vs-ENFP"
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    {
      "url": "https://www.psycove.com/vs/ENFJ-vs-ENFP"
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    {
      "url": "https://www.psycove.com/vs/ISTJ-vs-ISFJ"
    },
    {
      "url": "https://www.psycove.com/vs/ISTJ-vs-ESTJ"
    },
    {
      "url": "https://www.psycove.com/vs/ISTJ-vs-ESFJ"
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    {
      "url": "https://www.psycove.com/vs/ISFJ-vs-ESTJ"
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    {
      "url": "https://www.psycove.com/vs/ISFJ-vs-ESFJ"
    },
    {
      "url": "https://www.psycove.com/vs/ESTJ-vs-ESFJ"
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    {
      "url": "https://www.psycove.com/vs/ISTP-vs-ISFP"
    },
    {
      "url": "https://www.psycove.com/vs/ISTP-vs-ESTP"
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    {
      "url": "https://www.psycove.com/vs/ISTP-vs-ESFP"
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    {
      "url": "https://www.psycove.com/vs/ISFP-vs-ESTP"
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    {
      "url": "https://www.psycove.com/vs/ISFP-vs-ESFP"
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    {
      "url": "https://www.psycove.com/vs/ESTP-vs-ESFP"
    },
    {
      "url": "https://www.psycove.com/population"
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    {
      "url": "https://www.psycove.com/research"
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    {
      "url": "https://www.psycove.com/research/type-share-is-a-range"
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    {
      "url": "https://www.psycove.com/research/why-dichotomy-tests-flip"
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    {
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    {
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    {
      "url": "https://www.psycove.com/research/mistype-rate-baseline"
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    {
      "url": "https://www.psycove.com/compare"
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    {
      "url": "https://www.psycove.com/mistype"
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    {
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    {
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    {
      "url": "https://www.psycove.com/privacy"
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      "url": "https://www.psycove.com/disclaimer"
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      "url": "https://www.psycove.com/for-ai"
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    {
      "url": "https://www.psycove.com/blog/why-your-type-keeps-changing"
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      "url": "https://www.psycove.com/blog/is-the-eight-function-model-scientific"
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    {
      "url": "https://www.psycove.com/blog/how-to-find-your-true-type"
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      "url": "https://www.psycove.com/blog/cognitive-functions-explained"
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      "url": "https://www.psycove.com/blog/introversion-vs-extraversion"
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      "url": "https://www.psycove.com/blog/feeling-vs-thinking"
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      "url": "https://www.psycove.com/blog/why-infjs-feel-rare"
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      "url": "https://www.psycove.com/blog/the-inferior-function"
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    {
      "url": "https://www.psycove.com/blog/can-opposite-types-get-along"
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}