Requesting Funds for Prolific

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  • The linguistics department maintains a department credit card to fund your Prolific account.
    • Check with your advisor for the appropriate funding source for your web experiment. This could be a faculty grant, a discretionary funds or even a grant that was awarded directly to the student researcher such as department graduate research grants and TGS research grants.
    • Most of these funding sources will have a associated "chart string", a unique string of letters and numbers that identifies the funding source. If you know your chart string, please send that along with your request for funds.
  • To determine how much funds you will need to pay your participants through Prolific, log into Prolific and select your study.
  • Scroll down to the "Recruit participants" section and enter your target total number of participants.

  • The number of participants requested here should be fall within a range that can be completed within 30 days. It is a good idea to note the pace at which you plan to run yoru study and adjust the initial number of participants accordingly. Consider running a smaller number of participants if you're not sure how quickly your experiment will progress as you can always add more participants later.
  • Scroll down to "Study cost". Enter the study duration in minutes and the desired amount that each participant will be paid to complete the task.
  • The rate calculator in Prolific will let you know if you are paying above or below minimum wage.

  • Make a note of the total amount needed.
    • The indicated VAT fee should be $0.00 (value added tax is not applicable in the US).
    • Prolific VAT
    • If that is not the case, you will need to visit the Prolific settings and enter a US address under "Legal identity".
  • Send an email to speechresearch@northwestern.edu with the following details:
    • Requested dollar amount.
      • Amounts greater than $500 will be split (for example, $600 will be divided into two payments of $300)
      • You will initially launch your study with a smaller number of participants. Click here to learn more about increasing places to your study.
    • The "internal name" of your Prolific study.
    • The funding source:
      • The name of the faculty advisor if the funding source is a faculty member's grant or faculty member's discretionary account
      • The approval letter or email if the funding source is a department grant or TGS grant
    • A copy of the IRB approval letter for your study.
  • Upon approval, the requested amount will be added to your Prolific account.
  • Click the "Publish Now" button to launch your experiment.
  • Click here to learn more about the procedures for closing out an experiment.
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