The student's research design is clearly described and explained, as they correctly identify it as independent measures and explain how it was applied in their study. The sampling technique, which is opportunity sampling, is also described and explained by the student. They provide relevant characteristics of the research participants, such as age and English fluency, and explain their choice of participants based on their understanding of English, availability, and exclusion of psychology students. The student clearly states the controlled variables and provides reasons for controlling each variable. Additionally, they state and explain the choice of all materials used in their investigation.