Four media markets reach over ____ percent of Californians

Walt believes that the creation of the Euro __________

a. will ultimately lead to a European security community b. was the final step in European economic integration c. is an irreversible development d. was a mistake

Answer the following statement(s) true (T) or false (F)

1. True experiments require random assignment of subjects to two or more groups. 2. True experiments can have only two comparison groups: an experimental and a control group. 3. A control group receives no treatment in an experiment. 4. All true experiments require a pretest and a posttest. 5. A quasi-experimental design is indicated if subjects are not randomly assigned to comparison groups.