In groups of 4-5, review the abstracts and the methods sections of the following 4 articles. Based on the research design of the study, rank them in order of the quality of evidence from 1 (strongest evidence) to 4 (weakest evidence).
A. Evaluation of a foster parent intervention for foster children with externalizing problem behavior
B. Identification of social-emotional problems among young children in foster care
C. Fostering secure attachment: experiences of animal companions in the foster home
D. Searching for effective interventions for foster children under stress