separation anxiety disorder in DSM–IV–TR, an anxiety disord...
spermatozoon n. (pl. spermatozoa) a single male...
asyllabia n. a type of aphasia in which a person can recogn...
gain–loss theory a theory of interpersonal attraction stati...
freebase 1. n. a highly concentrated, chemicall...
eureka task a problem-solving task designed to investigate...