Certificate of Personality Type by Letter Bureau of Personality
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Certificate of Personality Type by Letter

to be completed in your own hand

Processing time: 4 min Items: 16

No sign-up. Issued the same day.

This certificate is issued on the basis of a 16-question test and certifies which of four independent personality styles the submitted responses best match. The bearer receives a classification, a brief supporting record, and an official seal, with results processed in 4 minutes. The scoring is based on self-reported behavior in everyday situations, not on outside observation.

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You've been on hold with customer service for twenty minutes with no wait estimate given.
You and a neighbor are assembling a shed together, and the neighbor sets a slow pace.
A coworker says, “Interesting choice,” about your project, and the tone could go either way.
You have an unplanned Sunday afternoon with nothing scheduled and nowhere to be.
Two people need your help right now, and you only have one hour free.
A roommate's forgotten grocery run means dinner plans fall through again.
Everyone at the table wants a restaurant you don't actually like.
A shipment you're waiting on shows no delivery date, and no one can say when.
You're deep into a task when a call pulls you away from it.
Something at work is bothering you, and you could raise it or let it go.
A colleague mentions finishing the same project in half the time you took.
You walk into a networking event where you don't know anyone.
A planned appointment is cancelled last minute, freeing an hour you'd set aside.
You're waiting on a reply before you can move a project forward.
A neighbor's dog barks every evening, and there's no fix in sight.
Something someone just said lands the wrong way, and you could say so or not.

The certificate will be issued in this name. Leave it blank to issue it to the bearer.

About This Certificate

This test measures everyday behavioral and coping tendencies linked to time pressure, competitiveness, and how personal reactions are handled around other people.

Test author Editorial Staff

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Attachments

Attachment 1. Methodology

What gets scored here is everyday behavior — how someone tends to handle time pressure, a pace set by someone else, or a moment where speaking up is optional. None of that stands in for a psychological diagnosis, and this certificate makes no claim about cardiac health or cancer likelihood. The sixteen-item format relies on self-reported answers, which flattens traits that the underlying studies describe as continuous, not as four fixed boxes. Two of these four styles, specifically, grew out of separate scientific efforts that were never designed to slot into the same system as the first two.

The earliest of the four traces back to work from the middle of the twentieth century on time pressure and competitive drive. A later, separate line of study looked at people who keep an agreeable front no matter what is happening internally, quietly deferring to others instead of raising friction. A third combined a persistent low mood with a marked hesitance to speak up, especially among unfamiliar company. Background on where the idea started is available from the APA Dictionary of Psychology. None of this amounts to a diagnosis — it describes a pattern, not a clinical judgment about the person behind the answers.

Attachment 2. Frequently Asked Questions

What's the real difference between a Type A and a Type B personality?

One version of the pair moves fast, keeps score, and has trouble sitting still; the other holds a calmer pace and doesn't weigh everything against a result. Both are read here as everyday habits, not a medical label of any kind.

Is it true that Type A personalities are more likely to have heart problems?

That claim dates back to the 1950s, but larger, better-designed research since then has not confirmed it as trustworthy. This certificate does not present it as accepted truth.

Why are there four letters — A, B, C, and D — instead of just two?

Each letter actually started life as a separate research project of its own — different researchers, different decades, different corners of psychology — only stitched together informally once casual online quizzes like this one came along. None of the four ranks above the others on one shared scale; Type C's outward calm and Type B's genuine ease can look alike from a distance, though they come from very different underlying habits.

Can a person be part Type A and part Type B?

Sure — the trait itself isn't an on/off switch in the underlying research, so plenty of people land somewhere in the middle. That's an ordinary outcome here, not a sign that the test missed something.

Does this test have scientific validation behind it, like a clinical assessment would?

No. Genuine, independently published research stands behind each one of the four styles, but combining them into one certificate doesn't make the result a clinically validated tool. The more careful corners of this kind of personality quiz tend to say exactly that about themselves.

Attachment 3. References
  1. Friedman, M., & Rosenman, R. H. (1959). Association of specific overt behavior pattern with blood and cardiovascular findings; blood cholesterol level, blood clotting time, incidence of arcus senilis, and clinical coronary artery disease. Journal of the American Medical Association, 169(12), 1286–1296. doi:10.1001/jama.1959.03000290012005.
  2. Temoshok, L. (1987). Personality, coping style, emotion and cancer: toward an integrative model. Cancer Surveys, 6, 545–567.
  3. Denollet, J. (2005). DS14: Standard assessment of negative affectivity, social inhibition, and Type D personality. Psychosomatic Medicine, 67(1), 89–97. doi:10.1097/01.psy.0000149256.81953.49.
  4. Miller, T. Q., Smith, T. W., Turner, C. W., Guijarro, M. L., & Hallet, A. J. (1996). A meta-analytic review of research on hostility and physical health. Psychological Bulletin, 119(2), 322–348. doi:10.1037/0033-2909.119.2.322.