The concepts of mental age and the intelligence quotient were introduced by:

Eight-year-old Lin, a Chinese child, is likely to

A) say that telling the truth is always good. B) say that telling a lie is always bad. C) rate lying favorably when the intention is modesty. D) favor lying to support the individual at the expense of the group.

For nearly all of human history, people have worked until they _________

a. retired b. could simply no longer work c. died d. had grandchildren