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What does this data show?

Open item-level analytics from the same bank that powers the live assessments.

This page publishes aggregate statistics on assessment items: which questions discriminate traits best, how traits correlate, test quality summaries, and IRT calibration views. Nothing here is behind a login; it is the same transparency we describe in our philosophy.

Use the tabs to compare best and worst items per trait, inspect test stats across assessments, or review accuracy and IRT curves. Select an assessment to scope the tables to that instrument, or compare two assessments side by side.

We publish this so researchers, typologists, and curious test-takers can see how scores are built instead of trusting a black box. The item bank is living data: weak items are removed, strong items are weighted more heavily, and the whole system improves with every response.

If you are conducting research, the statistics on this page are published for open review. You do not need to ask permission to read what you see here.

Our philosophyTake an assessment
Best ItemsWorst Items
Test QualityTest AccuracyTest IRTTest Stats
Trait Correlation

Worst Items

Bottom 5 lowest-quality items per trait, ranked by quality index (higher is worse).

Bottom 5Bottom 10Bottom 20

BOTTOM 5 - FE items for the Jungian Function Assessment

The worst of 113 items filtered from 49,983 Total Trait Answers

Item
Quality Index
  1. 1

    You tend to love passionately and fall deeply.

    C+
  2. 2

    You may be viewed as too nice by people who don't understand you.

    C+
  3. 3

    You enjoy deeply understanding someone and want everyone to be understood.

    C+
  4. 4

    You feel confused when people are offended that you didn’t join a social activity.

    Reversed
    C+
  5. 5

    You’re willing to soften or adjust your own values if it means everyone can stay on the same page.

    C+

BOTTOM 5 - FI items for the Jungian Function Assessment

The worst of 165 items filtered from 50,021 Total Trait Answers

Item
Quality Index
  1. 1

    When someone pressures you to conform, you resist if it feels wrong.

    D+
  2. 2

    You can spend a lot of your time staying true to yourself.

    C-
  3. 3

    You tend to know what side you're on and find it difficult picking neutral stance about something.

    C-
  4. 4

    When someone crosses a personal boundary, you feel compelled to act.

    C-
  5. 5

    You are the type of person that likes to translate their emotions and feeling to the physical world.

    C-

BOTTOM 5 - NE items for the Jungian Function Assessment

The worst of 86 items filtered from 49,982 Total Trait Answers

Item
Quality Index
  1. 1

    You think that there's still a lot left to explore and discover in this world.

    C+
  2. 2

    You have a hard time letting go of good ideas and hate wasting them.

    C+
  3. 3

    You tend to have thoughts that jump around.

    C+
  4. 4

    You like to quickly test ideas and accept mistakes and fixing things as you go.

    C+
  5. 5

    You tend to see every potential resolution to a conflict but struggle to find the correct solution.

    C+

BOTTOM 5 - NI items for the Jungian Function Assessment

The worst of 105 items filtered from 49,980 Total Trait Answers

Item
Quality Index
  1. 1

    You understand or know things without needing to observe, analyze, or reason it out.

    C
  2. 2

    You tend to understand how an idea concludes before you've worked out all the details.

    C+
  3. 3

    You often act first and not minding too much of the potential consequences.

    Reversed
    C+
  4. 4

    You tend to see through people and can see their potential.

    C+
  5. 5

    You often get into states where you question your existence and your place in life.

    C+

BOTTOM 5 - SE items for the Jungian Function Assessment

The worst of 178 items filtered from 49,984 Total Trait Answers

Item
Quality Index
  1. 1

    You are the type to handle important things in person.

    C
  2. 2

    You can spend a lot of your time interacting with your environment.

    C
  3. 3

    You like to have beautiful things and generally enjoy owning and having many things.

    C
  4. 4

    You sometimes feel that an idea isn’t fully real until it has been tested in practice.

    C
  5. 5

    You have a natural understanding of the layout of your environment, the position of your body, and the movement of objects.

    C+

BOTTOM 5 - SI items for the Jungian Function Assessment

The worst of 210 items filtered from 50,085 Total Trait Answers

Item
Quality Index
  1. 1

    You pride your self in the diligence and care to make sure your work is free from mistakes.

    C-
  2. 2

    You often review details personally because you care about quality and consistency.

    C
  3. 3

    When you remember a mistake, you adjust your behavior to avoid it repeating.

    C
  4. 4

    You struggle to remember the "small things" like your partner's favorite ice cream flavor, even if you would die for them.

    Reversed
    C
  5. 5

    When you smell a familiar scent, a specific memory can come back vividly.

    C

BOTTOM 5 - TE items for the Jungian Function Assessment

The worst of 110 items filtered from 50,015 Total Trait Answers

Item
Quality Index
  1. 1

    You set the same standards for yourself as you do others.

    C-
  2. 2

    You believe that the ends justify the means.

    C
  3. 3

    You often reduce complex ideas into simple steps that anyone can follow.

    C
  4. 4

    You’re the type who likes to be seen as the person others can always turn to, and you informally arrange your life so that stays true.

    Reversed
    C
  5. 5

    You are the type of person who gets a high after making a process more productive and the real-life numbers show it.

    C

BOTTOM 5 - TI items for the Jungian Function Assessment

The worst of 212 items filtered from 49,949 Total Trait Answers

Item
Quality Index
  1. 1

    You don't feel the need to reconstruct arguments yourself.

    Reversed
    C-
  2. 2

    You avoid over-thinking logical details.

    Reversed
    C-
  3. 3

    You're satisfied with solutions that are good enough.

    Reversed
    C-
  4. 4

    When two people disagree, you try to locate the exact logical divergence.

    C-
  5. 5

    You prioritize logical cleanliness over convenience.

    C-