It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Dictionaries & encyclopaedias are a good place to start your research, especially if you are new to a topic. They summarise existing research, and are especially useful in helping define terminology and concepts. Entries in encyclopaedias can also point you towards some of the key literature on a topic.
General dictionaries and encyclopaedias in Education are shelved at LB 15 on floor 4, and the Library also has access to online reference resources, such as: