https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1284312/pdf/11421312.pdf Identify the dependent variable in the study, describe the implementation of the independent variable. Identify the same goal, subject design in the study. Describe the data collection and interobserver agreement method used. Describe the internal external and social validity of the study. Describe the conclusion of the study, including the effectiveness of the interventions