The fact that 14 nations have shown average IQ gains of from five to 25 points during the last 30 years is referred to as the __________ effect

Some developmentalists believe that adolescent egocentrism

is a selfish, immature attitude. may signal growth toward cognitive maturity. is not supported by recent research. is more common in boys than in girls.

Travis is a participant in the X-games every year, which features events that are high flying and exhilarating to watch or participate in, but also very dangerous to the competitors

Because Travis is willing to take chances with his health to get the adrenaline rush from these sorts of events, Cost and McCrae would argue that he ranks high on which of the five factors? a) openness b) neuroticism c) conscientiousness d) extraversion