Professor Nguyen is interested in studying the effects of gender on shopping practices. In her study, she distinguishes between gender by having a variable which takes on the value of 1 for females and takes on the value of 0 for males. This is an example of using a(n):

Which of the following is a "wedge issue"?

a. women's reproductive rights b. funding for police and firefighters c. maintaining bridges and roads d. testing new medicines for safety

Aristotle's theory of forms argues that all living things have a preexisting purpose. To make his point he uses the example of the

a. acorn and the oak tree. b. kitten and the cat. c. puppy and the dog. d. seed and the flower. e. None of the above