A subject variable is a characteristic or attribute of a participant that can impact a study

Not until _______ did the Court become willing to protect the speech of Communists as long as they were not actively plotting to overthrow the government

a. 1865 b. 1902 c. 1957 d. 1998 e. 2001

How are tourists most likely to be of benefit to international relations?

a. Tourists are the largest carriers of diseases in the world. b. Tourists help build goodwill between countries. c. Tourists confirm negative stereotypes about foreign countries. d. Tourists typically increase the trade deficit.