The student clearly describes and explains the research design used in their study, correctly identifying it as independent measures and explaining how it was applied. They also accurately describe and explain the sampling technique used, identifying it as opportunity sampling and explaining that they approached students who did not study Psychology. The student provides relevant characteristics of the research participants, such as their age and gender distribution. They justify their choice of participants based on their age, lack of need for parental consent, and competency in mathematics and English. The student states and justifies all controlled variables, including the time allocation, environment, and procedure standardization. Additionally, they state all materials used and explain their choice.