functional illiteracy see illiteracy.
Penrose staircase see staircase illusion. [Lionel S. Penros...
scatophilia n. sexual interest and arousal derived from tal...
psychosocial factors social, cultural, and environmental ph...
open question 1. in a test or survey, an item that does not...
alcohol dependence in DSM–IV–TR, a pattern of repeated or c...