According to research reported in the text, which country has the lowest rate of divorce?

The question "Are you a full-time student?" with answer options "yes" or "no" is an example of a(n) _____ question.

Fill in the blank(s) with the appropriate word(s).

This psychologist not only pioneered work on children's intelligence, but also investigated memory and mental calculation

a. Alfred Binet. c. Charles Darwin. b. G. Stanley Hall. d. Leta Stetter Hollingworth.