The student clearly describes and explains the research design, correctly identifying it as independent measures and explaining how it was applied in their study. The sampling technique is also accurately described as self-selected sampling, with the participants signing up via an online form. The student provides relevant characteristics of the research participants, such as their age and gender distribution among groups. They justify their choice of participants based on their age not requiring parental consent and their fluency in English. The controlled variables are stated, including the time of the experiment, its environment, and the standardization of the stimulus material. Although some materials used are mentioned, the student should have listed all of them, including consent forms, standardized instructions, and answer sheets. The choice of materials is explained, although the list provided is incomplete.