Welcome

Thank you for taking part in our survey, and welcome to this game.

We would like to invite you to take part in this online game! This will take approximately 5-10 minutes. Please make sure that you turn off all your notifications so you can focus on this screen only, and once you start do not stop until you completed the whole game. Please use Google Chrome on a laptop if possible so that the game runs smoothly.

On the next pages, instructions will be shown to help you understand what is expected of you. Make sure you are sitting comfortably on a chair, at a safe distance of the computer screen, and can use the mouse or trackpad easily. There will be regular breaks during the game, please make sure you use them to rest your eyes for as long as you need. Remember that if you have epilepsy, you cannot participate.

Please read the following document and download a copy for you to keep. When it is done, you will have to give your consent online to proceed further.

Title of the study: Exploring the relationship between body representations, social media and eating behaviours among adolescents
University of Surrey Ref: ERM ID 1941


The person asking for your consent must explain the project to you before you agree to take part. If you have any questions about the Information Sheet or their explanation, please ask the researcher before you make your decision. You will be given a copy of this Consent Form and the Information Sheet to keep and refer to at any time. By checking each box, you are consenting to this part of the study. Any un-checked boxes will mean that you DO NOT agree to that part of the study, and this may mean you are ineligible for the study.

    • I confirm that I have read and understood the information sheet dated [18/03/2026, Version 1] for the above study. I have had the opportunity to consider the information and asked questions which have been answered satisfactorily.
    • I understand that my participation is voluntary and that I am free to withdraw at any time during the study without giving any reason. Furthermore, I understand that data already collected can only be withdrawn up to one month after my participation in this study. Furthermore, I understand that as the data will be immediately anonymised, data already collected will be used even if I withdraw from the study because the researchers cannot trace the latter information back to me.
    • I understand that information I provide may be subject to review by responsible individuals from the University of Surrey and/or regulators for monitoring and audit purposes.
    • I understand that information I provide will be used in various anonymised outputs, including reports, publications, presentations.
    • I understand that my personal data, including this consent form, which link me to the research data, will be kept securely in accordance with data protection guidelines, and only be accessible to the immediate research team or responsible persons at the University.
    • I consent to the processing of my special category data [physical health, medical information] for the purposes stated in the information sheet.
    • I agree to take part in this study.
    • I give permission for my anonymised data to be archived [in the University of Surrey Repositor and an open-source online research data repository] and shared anonymously with other researchers, in order to carry out future research [not for commercial use].

If you decide you do not want to take part, please close the browser. If you agree and consent to these terms, please click "I Agree" to continue with the game. We hope you enjoy playing the game!


                       

Exploring the relationship between body representations, social media and eating behaviours among adolescents

You will be controlling a white dot with your trackpad. The white dot will sometimes be visible, and other times hidden. Even when you don't see the white dot, the game will always be tracking its position.

For this experiment, please use a trackpad to complete the task. Below is a video clip of an example participant completing the task using a trackpad. Note that you can use your computer mouse to fill the questionnaires as long as you use a trackpad for the game.

NOTE: There are attention checks, so be sure to read their instructions thoroughly!

                       

What To Do

There are three simple steps:

1. Bring the white dot to the centre of your screen. The white dot will initially be hidden, but once you get within a certain distance from the centre it will be displayed. It may jump close to the centre to help you find it.

2. Once the blue dot (your target) appears, slice through it FAST with the white dot (visible or hidden). The slicing is demonstrated in the video below. See how you do not need to stop your movement on the blue dot, you have to slice through it directly in a straight movement.

3. Once your trial is done, the next one will start when you bring the white dot back to the centre of the screen. To help you localize it, it will jump and appear at a close distance from the centre.

PLEASE READ: After several reaches, the white dot will stop following the direction of where you reach, and instead move on its own. When this happens, IGNORE the white dot and continue aiming your reaches directly to the target. Throughout the entire experiment, you should be aiming DIRECTLY to the target. [Type "rice" in the next page to indicate that you have read this].

                       

Basic Information

Please indicate your ID:

As a reminder, here are the criteria:
  • First 2 letters of your first name
  • Your favourite pet
  • Your favourite colour
  • For instance, if your name is Olivia Sophie Smith, your favourite pet is “dog” and your favourite colour is “green”, the code will be OLDOGGREEN

    • Are you right or left-handed? (Please use only one hand to play the game)

    Do you play computer games daily and more than 2-3 hours a day?

    Will you use a computer mouse or a trackpad for the game? Mouse Picture (Please use a trackpad if possible)

    What's the code from the last page (Reread the instructions page if you don't know):

    Now, we would like some information on your health.


    • Do you have normal or corrected-to-normal vision? (Select Yes also if you wear glasses/contacts)

    • Do you have any neurological illnesses (e.g cerebral palsy)?
      If yes, please specify

    • Have you been diagnosed with (or do you suspect you have) any of the following neurodevelopmental conditions?
      (Tick all that apply)








    • Is there anything else you would like us to know? (Optional)
                           
    Lab Logo

    Thank you for your participation!

    We have a few questions on what you just did


    At some point during the game, you did not control the white dot anymore. What did you do then?*

    1. Please let us know if you had any issues with this experiment and describe any strategy during the game:

    2. Please tick all the items that you have engaged in during the game. Please answer truthfully so that we can accurately interpret the findings.*








    3. Which hand did you use to play the game?*




                           

    Please click on submit to save your results. If nothing happens, you probably forgot a question in the form above, please check again.

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    Oh no!

    If you are seeing this page it means you did not pass an attention or understanding task.

    This task requires your full attention, thus we kindly ask you to exit.

    You can also refresh the page to restart this experiment.

    We're sorry for this inconvenience.

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    Your responses have been saved, thank you!

    If you want more information, please contact us. Contact details are in the debrief below.