The student clearly describes and explains the research design, correctly identifying it as repeated measures and explaining how it was applied in their study. They also describe the relevant characteristics of the research participants, including their age and gender distribution. The student states the controlled variables regarding the environment, duration and time of the experiment, and the standardization of instructions and stimulus material. They also provide reasons for control for each controlled variable. However, the student does not state the sampling technique used and should have explained the choice of participants in more detail. Additionally, they should have provided reasons behind the choice of each material used.
