You are supposed to be learning about optimal ways in which people interact. Just explain your reasoning. Draw a general conclusion. Read the assignment very carefully, especially in regard to conceptual, empirical and practical analysis and critique of your sources. There are a number of websites on my AC web page that may help you find sources.
Most papers are over ten pages long by the time the analysis is complete.
Your grade will be affected by the quality of your search for sources . The paper is worth fifty points. The literature in developmental psychology is distributed in both books and journals. At the same time, they are often less critical and more single-minded than articles. Articles more often identify a controversy or at least a conceptual issue, present data, and draw clear conclusions.