What percent of the population currently has an IQ above 130?

The difference between insomnia and apnea is that _________

a) apnea affects primarily the elderly, whereas insomnia is characteristic of children b) insomnia is treatable but apnea is not c) insomnia is characterized by sleeplessness, whereas apnea is characterized by breathing difficulties d) apnea is a precursor to narcolepsy, whereas insomnia is not

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