Thank you for taking part. This test can be carred out with landlines or with mobile phones and is free. The system will telephone you and the other participants: you do not pay for any calls yourselves. We keep all registration details confidential and they will not be used for any purpose other than this test.

Javascript MUST be enabled to take part in the test. If things don't seem to work, please follow the instructions for your browser here.

If you are already registered, you can retrieve your and your friends details here. Make sure you select the appropriate test for the country you are in, otherwise this will NOT work!

Username*:

Password*:

First of all, please choose the appropriate test version:

Then register your details

Enter a username and password of you want to be able to retreive your details.
We will only use your email address to contact you about the test.

Name*:

Email:

Phone*:

Please include your area code but not country code, with no punctuation or spaces.
Gender:
Age:
Username:

Password:

Add or change your friend's details here

All fields must be filled out to take the test.

Friend 1*.:

Phone*:

Gender:
Age:
Friend 2*.:

Phone*:

Gender:
Age:

Finally, click here to initiate a test

In this test, the same person will always guess who is thinking about them. By default, this will be the person who has registered the test, but you can change it to be one of the other participants here. You can change who has this role whenever you run a test.

Select receiver: Test Registrar Friend One Friend Two

If you have been given a group name, enter it below. When you click 'Run Test', you should be taken to a confirmation screen. If you are not redirected after a few moments, please try clicking 'Run Test' again.

Group: