Children who are able to classify other people into groups such as "people who are nice" and "people who are mean" are demonstrating ________

With respect to sex hormones, male is to female as _______ is/are to _______

a) progesterone; estrogen b) androgens and estrogen; progesterone c) estrogen and progesterone; androgens d) androgens; estrogen and progesterone

The term "hypothesis" literally means

a. prediction. b. knowledge derived from common sense. c. an informed hunch. d. little theory. e. belief system.