Search the FAQ

Start with the Psychology Library Guide: http://library.uhd.edu/psychology
Begin your search with either PsycINFO or PsycARTICLES. Try searching in the database with different combinations of these terms:

First Box:
ADHD
“attention deficit hyperactivity disorder”
“Attention Deficit Disorder with Hyperactivity”

Second Box:
Cause
Causes

Third box:
Biolog* (the * will search biology and biological)
“social environment”