Please read the consent form, and click "I Agree".


There is one simple goal.

Once a target (blue dot) appears, slice through it QUICKLY with your white cursor (either hidden or visible).

The movie below is an example where your white dot is hidden during movement.

Basic Information

Prolific ID:
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Sex:
Right or left handed (dominant hand):
What kind of mouse are you using (Please only use trackpads):
Have you done our experiments before?

The following information is requested by the National Institute of Health. You are not required, but are encouraged to complete these.

Ethnic Origin:
Racial Origin:
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Please wait a few seconds while we verify your info.

NOTE:
Please use your RIGHT HAND (DOMINANT) and complete the task to the best of your abilities.
Your comprehension and performance will be evaluated throughout the entire experiment.
If you fail to pass our instruction comprehension checks,
the game will conclude and you will not be compensated.
Your cooperation is greatly appreciated.

The movie below is an example participant completing the task using a trackpad.

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Now just a few more question and you're done!

Please answer these questions truthfully (there will be no penalty).


What hand did you use throughout the experiment?
Please check any items that you have engaged in during the task.







If you checked "Other," please indicate here:
Let us know if you had any issues with the experiment or instructions:

You will receive the completion code once you click "Submit". Please enter this code to your Prolific account to
complete your submission.

You will receive compensation within 2 business days. Thank you again for participating!

                       
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Sorry!

Our records indicate that you have already participated in this study!
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Attention check failed. Do not refresh!

If you are seeing this page it means you failed our instruction comprehension checks or were inactive for a minute or longer.
This task requires your full attention, thus we kindly ask you to exit and return your submission.
Please DO NOT refresh the page to redo the experiment.
If you do, you will not be compensated and we will not use your data.
We're sorry for this inconvenience.
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Your responses has been saved, thank you!

This study's completion code is: C1KQC812

If you don't understand the instructions, practice again. If you understand the instructions, move on to the main experiment.

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Now just a few more questions and you're done!

Clock Hands

Clock Hands


Clockwise Rotation Image

Counter Clockwise Rotation Image