ALL topic areas should use the Psychology and Sociology databases on the left.
In addition, if your topic deals with children, include the Education databases as well.
Everyone can also use the general databases since they cover a wide variety of topics.
You can search all of the database on the left at the same time EXCEPT the EJC. Simply choose one to start with, then use the link that says "Choose Databases". Then select the ones you wish to use and click OK