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First, please check your Spam folder – it is possible that your e-mail provider put our message there. If you still cannot see the message, please go to the Members Area – you will be able to see your results there.

The type codes used by us are similar to those shared by a number of diverse theories and approaches such as Socionics, Myers-Briggs Type Indicator, Keirsey Temperament Sorter, Linda Berens’ Interaction Styles and many others. However, while the acronyms adopted by different theories may be identical or very similar, their meanings do not always overlap – consequently, you should not assume that, for instance, INTj in Socionics is identical to INTJ-A as defined and described by us, or to the INTJ definition on a different website.

To use an analogy, taxis and Formula 1 racers both drive ‘cars’ – but what each of them considers a car can look pretty different depending on where they’re driving. Make sure you review the theoretical model that a specific website relies on before comparing your results. You can find more information about our theoretical approach here.

No! Simply click Take the Test in the menu above.

We are continuously refining the test questions, trying to make our algorithm more accurate and reliable – consequently, you may be assigned a slightly different personality type if your original scores were very low (<55%). If you are unsure which personality type is truly yours, please see our main theoretical article.

Additionally, don’t underestimate the power of your mood. Taking the test when you are well-rested, feeling good, and full of energy can cause you to answer questions with more “positive” responses than if you’re totally exhausted at the end of a long week. Rather than thinking of the best of times or the worst of times, or just how you’ve behaved this past month, or how you used to behave when you were younger, (or how you would like to behave...) answer the questions considering how you’ve actually responded to situations most often, during the course of your lifetime.

Not at the moment, sorry.

No, test results may only be associated with a unique e-mail address.

No, and we won’t ever do that. Our mission is to understand how our personality traits shape us and our relationships, and to help you use that information for personal growth. You won’t see any external ads on our pages, and your favorite shampoo manufacturer won’t suddenly start sending you “So we heard you are...” letters either.

Not at the moment.

Yes. You can read more about its reliability and validity here and here.

No. The main purpose of our test and type descriptions is to encourage personal development and improve understanding of one’s self and others. We do not believe that someone’s personality type is a reliable indicator of professional success – so neither the test nor articles available on this website should be used for any kind of selection or assessment.

Ethics issues aside, forcing someone to take the test is also very likely to lead to “garbage in, garbage out”, with most participants getting the same 1-2 personality types. Just don’t do that.

Not at the moment, sorry. We suggest using scales and items available at International Personality Item Pool to build your own assessment.

First of all, our site uses the HTTPS protocol (you can verify that by clicking on the padlock in the address bar), which means that all data sent to our server goes through a secure and encrypted channel. Furthermore, we don’t record any of your credit card details – they are encrypted and sent directly to the payment processor for a single charge.

No, sorry. Most of our readers are from outside the UK, so shipping costs and times would be too high. Furthermore, we love trees. That said, our premium profiles are in PDF format, so you should have no difficulties reading them on your iPad, Kindle or a similar device.

Of course! Please simply drop us a message at support@16personalities.com and we’ll give you a discount code.

Yes – please see the gift codes section in the Members Area. You will need to log in or sign up if you don’t already have an account.

There may be a slight delay between you making a PayPal payment and our server getting a notification from PayPal. If the e-mail doesn’t arrive right away, please wait 5-10 minutes and also check your Spam folder. If there’s still no sign of an e-mail, please contact us and we’ll look into it.

Please bear in mind that if you pay using the eCheque method (a withdrawal from your bank account as opposed to a credit card or the PayPal balance), it may take 3-5 working days for your payment to be processed. You should see the estimated clearing date in the PayPal confirmation e-mail. In that case, the confirmation e-mail will be sent out once the eCheque clears.

Sure! We would suggest using one of the online printing services – they may also be able to bind the pages or make a hardcover version, for example.

Our premium materials are only available in English at the moment, unfortunately. We would love to translate them eventually, but that is a lot of content, and we are a very small company.

As an alternative, you could use a web browser with auto-translation functionality (e.g., Google Chrome) to read Academy materials in your preferred language.

First, please try locating the original order confirmation e-mail and then simply using the download link within. If you have lost that e-mail or the link no longer works, please e-mail us at support@16personalities.com and we will send you another copy, provided you purchased the profile less than a year ago. Orders placed more than a year ago may require a top-up fee depending on the order date and the number of updates since then.

Not at the moment, sorry.

Please go to the Order History section in the Members Area and press the “Turn off auto-renewal” button. Please note that if you paid for your subscription with PayPal, it will already be set to expire at the end of the billing period and won’t renew automatically.

If you didn’t find your premium profile(-s) or Academy courses useful, you can request a refund by e-mailing us at support@16personalities.com within 30 days of purchase.

You don’t need to request a refund if you’ve lost your premium profile, would like to exchange it, or are looking to upgrade. In such and similar scenarios, please simply drop us an e-mail at support@16personalities.com, and we’ll do our best to help.

Please see our main theoretical article.

Please see this article for more information about our theoretical model.

Extraversion is actually the right way to spell this term. The prefix “extra” has its roots in Latin, and means “outside (of)”. Extroversion is a more popular variant, but it is an incorrect adaptation of its opposite term, introversion. Extraversion is the technically correct spelling, and is the version used most often in scientific literature, so we stick to it.

As is the case with premium profiles, those articles are only available in English right now. We hope to translate them as well at a later date.

If you complete our personality test, you will be able to save your results and create a profile in the results screen – or join later in the Members Area. If you already know your personality type and trait scores, you can also create an account here.

There are tons of useful features and resources in the Members Area. As a very quick overview, you will be able to get a unique (encrypted) profile link, invite friends and compare your results to theirs, discuss various topics and get advice from other members, complete dozens of surveys and see if your opinions are shared by other people with your personality type, take a number of additional tests, review our studies... And much more.

Seriously, do spend a few seconds and register. It’s free, and you won’t regret it. The initial test and type overviews are just the tip of the iceberg.

Please try the Discussions section in the Members Area. It is quite active and you will likely receive an answer to your question very quickly. You can also send someone a private message by visiting their profile.

Of course!

We send an e-mail every 3-4 weeks. Topics range from romantic relationships to dealing with stress, with all information and advice being specific to your personality type.

Yes. Please make sure you are logged in, retake the test, and look for the “Update your profile” button in the results screen. You will not receive an e-mail with your new results though – if you need a copy, you can request it in the Preferences section of the Members Area.

You can do that in the Preferences section of the Members Area.

Please take a look at the Career Stories tool in the Career and Professional Growth course – you will find plenty of inspiring stories submitted by other members there, and you will also be able to help others by sharing your own. The Job Preferences test in the same course may also be useful.

Please see the Friends section in the Members Area. It will have an invitation link that you can share with your friends – if they agree to share their results with you after completing the personality test, you will see them in the same section.

Please note that people who use your invite link will also see your e-mail address after completing the test. This is so that they would know who the invite link belongs to before agreeing to share their results.

Of course, as long as you are linking to a public page (e.g. the personality test). No need to ask for our explicit permission.

Sure, just please make sure to cite us properly (see here or here for guidelines) and avoid plagiarism.