Findings from the method called peer sociometric show that rejected children are likely experience in having more external problems compared to other 4 peer groups. Hope this is the right answer and this would help as well in the homework asked.
Based on the research that is being asked by the researchers of being able to randomly select parents in question about their child's eating and watching habits-- the study best exemplifies or is considered to be not a case study as it lacks certain procedures for it to be considered as a case study.