Research participants are entitled to know and agree to the nature of research and the requirements of participation according to the concept of

One reason why preschool IQ test scores predict less well than later scores is that

A) preschool tests emphasize abstract problem-solving skills, whereas later tests focus on concrete knowledge. B) IQ tests get increasingly easier for children as they get older. C) with age, test items focus less on problem-solving skills and more on concrete knowledge. D) with age, test items focus less on concrete knowledge and more on problem-solving skills.

What, if anything, does "gender-nonconforming" behavior in childhood predict?

a. It strongly predicts later homosexual orientation, for both males and females. b. It predicts later homosexual orientation for females but not much for males. c. It predicts later homosexual orientation for males, but not much for females. d. It has no relationship to later sexual orientation for either males or females.