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Information for

Modifications

As a condition of continued ethics clearance, researchers must conduct their research according to the details provided in their originally approved application (Form 101).

Researchers are responsible for receiving ethics clearance for modifications to their study prior implementing the changes. For example, an increase in sample size, change to procedures or materials being used, or revisions to the information-consent letter.

Modification Form - Form 104 (PDF) to request ethics clearance of a proposed change to a study. This is a fillable PDF form. Complete the fields in the form, print, then sign and send a paper copy to the Office of Research Ethics in East Campus 5, third floor.

  • Expect the review to take 10 to 15 business days after being received by the office. See understanding review times. These times may increase during peak periods such as in March, June, and November.
  • Only one modification form may be submitted at a time. An outstanding modification request needs to receive ethics clearance before a subsequent modification request can be made.
  • If the proposed modification cannot be included under the original project or if the modification is sufficiently substantive to require submission of a new application the researchers will be instructed to submit a new Form 101.
  • A study with a new purpose requires a new application Form 101.

Waterloo ethics process
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application process
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modifications
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