Children who showed greater self-control as 4-year-olds had more self-control, were more attentive, were better able to plan, and had higher SAT scores as 15- to 18-year-olds

Which of the following correctly describes the relationship between intelligence and IQ?

a. There is no real relationship between intelligence and IQ. b. Intelligence and IQ are synonymous terms and mean the same thing. c. IQ is a measure of intelligence. d. Intelligence is a measure of IQ.

Research shows that

(a) the presence of others helps performance (b) the presence of others hurts performance (c) either A or B, depending on the level of expertise on the task (d) neither A nor B; the presence of others affects skill level but not performance itself