Match the statements to the best answers Question 1 options: Ronald Reagan Detente Glasnost Afghanistan 1. Word used for the "easing" of tensions during the Cold War in the 1970's 2. Country that became a costly and protracted war for the Soviet Union 3. "Openness" in USSR brought about by Mikhail Gorbachev 4. Made a famous speech at the Berlin Wall asking the USSR's leader to "tear down this wall".

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design