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Social Studies, 22.06.2019 21:30
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
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Social Studies, 23.06.2019 06:00
Under the us constitution, some powers belong to the states. choose the power that belongs to the states.
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Social Studies, 23.06.2019 17:20
The american government was concerned about the assimilation of native american peoples. a. segregation from culture b. mixing into a culture c. complete annihilation d. population declinedoing test rn
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