___________ was one of the most widely read books during the 18th and 19th centuries and contained information about sexual intercourse, pregnancy, and childbirth

Deferred imitation is a kind of memory infants begin to exhibit toward the beginning of the second year of life

Indicate whether this statement is true or false.

The percentage of variation in intelligence test scores is about

(a) 0% (b) 3% (c) 10% (d) 30% to 70% (e) not enough information is given to answer the question