Follow up on references cited in the sources you use.
Try Google Scholar's "Cited by" feature to find research that cites a relevant article you've already discovered.
Intentionally explore different types of information: news, books/ebooks, articles, blogs, video.
Tips for Databases & Web
In databases:
Remove the full-text limiter and request articles from the library as desired - free of charge!
Use subject headings & author-supplied keywords to expand your search.
Look for additional articles within an individual journal.
On web:
When you run across articles which cost money, request them for free from the library!
For databases and web:
Quotation marks keep words together: “attention deficit disorder”
Asterisk/star * is a wildcard for word endings: psych* = psychology, psychiatry.
“OR” searches synonyms: thinking or brain or neuro* or cognition
< CTRL > f (Windows) or < Command > f (Apple) lets you find keywords on webpages & within all kinds of documents, including Word, Pages, PDF, Google Docs.
