frotteurism n. in DSM–IV–TR, a paraphilia in which an indiv...
blocking factor in a block design, an attribute or variable...
directedness n. the sense of unified purpose that provides...
partner swapping a form of group sex in which two or more c...
Müllerian mimicry a form of mimicry in which two or more sp...
intuitive stage in Piagetian theory, the period during the...