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Preamble Statement

This survey and the subsequent task should take approximately 50 minutes to complete. Please note that the experiment will require you to wear headphones and be seated in a quiet environment. If you are unable to fulfill these requirements at this time, please return later. Please note, as well, that the experiment cannot be completed in Safari or Internet Explorer, as certain features will not run in these browsers. If you are currently using either of these browsers, please switch to a different one at this time.

Persons completing this task must be recruited through the SONA participant pool. You are free to complete this study or not. To decline to participate at any time, simply close the page.



This survey is part of a study that has been reviewed and cleared by the McMaster Research Ethics Board (MREB). The MREB protocol number associated with this survey is MREB 2609. If you have any concerns or questions about your rights as a participant or about the way the study is being conducted, please contact:

  McMaster Research Ethics Secretariat
  Telephone 1-(905) 525-9140 ext. 23142
  c/o Research Office for Administration, Development and Support (ROADS)
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Full Name
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Email address
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Consent to Participate
Having read the above, I understand that by clicking the “Yes” button below, I agree to take part in this study under the terms and conditions outlined in the accompanying letter of information.