Basic Search ~ Type Keywords in the box and leave Fields as "Anywhere except full text"
Note: PsycInfo assumes an AND - so selfie narcissism = selfie and narcissism
Options:
Psychologists have created a Thesaurus of Official terms for concepts in their field.
Using Official terms as Subject Headings can give you better results.
Using an Official Term does two things:
Find out what the Official term for a topic is ~ There are 2 methods - scroll down to see both
Method #1 ~ Search the Thesaurus
Method #2 ~ Look at an Article you have already found on the topic, see what Official Subject Headings are listed.
So if you found this article :
Click on it and scroll down to the Subjects:
Once you know what the Official Term is - when you search for it just in the SU - Subjects Field, that is what focuses your search and limits to just articles that have been assigned it as an official term.