Photo Rating Study

Computer Laboratory, University of Cambridge (

Dear participant,

Thank you for your interest in participating in this study. Please read carefully the following information before participating.

What is this study about?

This study aims at collecting data about how people rate pictures. You will be asked to rank pictures and choose your preferred picture between pairs of pictures. This research is part of the Recognition project, funded by the European commission. Learn more about why we are doing this study.

What am I required to do?

The experiment is divided in 3 phases and lasts between 10 and 15 minutes. In the first phase, you will be asked to fill in a simple personality test. In the second phase, you will be asked to rank 30 pictures in groups of 6. In the last phase, pairs of pictures will be displayed to you, and you will be asked to slide a cursor towards your preferred picture.
When evaluating pictures, there are no good or bad answers: your answers are subjective and you can use any criteria to determine your choice. For instance, it can be because you like the aesthetic of the photograph, or because you like the action represented by the picture, or again because you dislike the other picture. The more you slide the cursor towards one of the two pictures, the more you are confident with your choice.

Will my participation be anonymous and confidential?

We are collecting your name, your IP address and your email address. Before participating in the experiment, you will be asked to confirm that you know a list of people. Your name and choices will only be shared with us and these people. All personal data, including your name, will be anonymised at the end of the collection process.

Do I have to take part?

This information page has been written to help you decide if you would like to take part or not. You can change your mind and withdraw at any time during the study or after the study, without providing a reason, and we will remove any data we collected from your participation. Feel free to contact any of the researchers conducting this study if you have any questions.

  • If you do not want to take part,
    please close this browser window now, or navigate away to another website. No data has been collected so far.
  • If you decide to take part,
    please fill in the following fields with the same name and email address you provided when signing up, and click on the 'Start' button to participate now in the study. By clicking on the 'Start' button, you give your consent to participate in the study as described on this page. Your consent does not imply any commitment and you can withdraw your consent at any time, before, during or after the study, by contacting the researchers.
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