The student effectively describes and explains the research design, ensuring that the reader is fully informed about the techniques used. They also clearly outline the sampling technique and provide a thorough explanation. Furthermore, the student accurately states the relevant characteristics of the research participants and justifies their choice, providing appropriate reasoning to the reader. Additionally, they identify and describe the controlled variables, providing clear reasoning for their selection and demonstrating a strong understanding of the controlled variables and their significance. Finally, the student lists all materials used in the methodology and justifies their choice, providing a sufficient explanation for the selection made.