The controlled variables in the test will remain the same for each participant.
The animation used is the same one under all the conditions.
The test participants will watch the animation on the same Windows laptop, wearing headphones to minimize external distractions.
All the tests will occur in the same, or a similar, room under the same lighting conditions.
There will be an even number of test participants so that equally many test each group.
The questionnaire used will be the same for all test participants, as will the information they are given prior to the test.
The set up with the camera and researcher will be the same to ensure that the observed results remain consistent.