Since we are looking specifically for information on Freud's oral stage, we would connect our terms with AND . This shows links to related information in the encyclopedia. Select the first one and see if you can find the remaining 4 stages. When you are interested in exploring a subject, but you don't know any specific sites to start with, you can use a search engine .A search engine is a software program that goes out on the web, seeking web sites and cataloging them. Search engines constantly visit sites on the web to create a catalog of web pages and keeps them current.
Many search engines support the use of Boolean logic.
We are had previously used the encyclopedia to find information on stages or periods of development. Now we are looking for information on Erickson's 8 stages of psychosocial development . Instead of the encylopedia, let's try an experiment and see if we can find his 8 stages of psychosocial development on a website. We want to find only records that combine all three terms, Erikson and psychosocial development and 8 stages . In the diagram below, the resulting list would be formed by those records falling into the red intersection of the 3 circles.