How do advances in grammar transform toddlers?

Howard Gardner and Robert Sternberg agree to be interviewed together on the topic of intelligence. At the end of the interview, what do you conclude is their major point of agreement?

a) Heredity is the major factor determining intelligence. b) Standardized tests do not assess the many facets of intelligence. c) There is no correlation between intelligence quotients and academic success in grade school. d) The concept of intelligence serves no purpose in a society in which computers are so frequently used.

Twin studies, to assess heritability of sexual orientation, found which of the following?

a) There is no heritability factor for sexual orientation. b) Between fifty and sixty percent of identical twins were both homosexual if their twin was homosexual. c) There was only a slight heritability factor, and only for men. d) One hundred percent of identical twins were both homosexual if their twin was homosexual.