The student has provided a clear and detailed description of the research design, including the application of independent measures. The sampling technique, purposive sampling, is accurately identified and explained in the context of the investigation. Additionally, the relevant characteristics of the research participants are described, though it is suggested that the student provide the age range of participants in years for clarity. The rationale behind the choice of participants is well explained, and the controlled variables, along with their reasons for control, are clearly stated. Furthermore, the student has appropriately listed and explained the choice of materials used in the study. Overall, the student has demonstrated a strong understanding of the research design and methodology.
