________ signal depth in photos or two-dimensional arrays

Girls __________ often than boys __________

A) more; attribute poor performance to lack of ability B) more; view failures as stemming from external factors C) less; let negative stereotypes undermine their performance D) more; tend to receive mastery-oriented support from teachers

What are the two major types of posttraumatic stress disorder listed in DSM-IV-TR?

a) acute and delayed b) severe and transitory c) primary and secondary d) social and environmental