Explain why freedom of expression is critical to people's participation in the political process.

Due to the efforts of the Department of Insurance, Texas has one of the lowest homeowners' insurance rates in the country

Indicate whether this statement is true or false.

If a research study reveals a difference between two groups that seems to be due to the independent variable but, in reality, the difference was due to some other variable that the experimenter didn't know about, there is a problem with

a. an extraneous variable. b. demand characteristics. c. the Hawthorne effect. d. the covariance rule.