What is a primary tool that monetary policy uses to affect the overall economy?

Racial and ethnic background has little effect on the attitudes a person is likely to develop

Indicate whether the statement is true or false.

Hennigan et al. (1982) looked at the crime rate in cities that were just getting television stations in the 1950s. Because of federal law, one group of cities was allowed to develop television broadcasting about 5 years before other cities were

Hennigan found that the crime rate increase in the first group when TV arrived, but crime didn't increase in the second group of cities until they got TV. This design illustrates the a. static-group comparison design. b. one-group pretest-posttest design. c. replicated interrupted time series design d. nonequivalent control group design.