Social Studies, 06.10.2019 06:30 23ricorvan
Aresearcher wanted to test the effect of caffeine on sleep. fifty students volunteered to participate in the study and signed up for one of two nights. thirty-three students participated on tuesday night. they each were given two cups of regular coffee to drink one hour before going to sleep. seventeen students participated on wednesday night. they each were given two cups of decaffeinated coffee to drink one hour before going to sleep. each student was monitored with an eeg (a test that looks at brain function) to record exactly when they fell asleep. students in the caffeine group took significantly longer to fall asleep. the researcher concluded that caffeine interferes with the ability to fall asleep. in the experiment, the control group is/are the
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Social Studies, 23.06.2019 04:31, lalisa6745
Arecession is the total value of all goods produced in a country in a given year total value of all goods and services produced in a country in a given year total amount of money earned in a nation over a specific period of time none of the answers are correct.
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Social Studies, 23.06.2019 20:30, abelSeattle
Which economic school of thought would explain how massive government expenditures during world war ii sharply move the country out of the great depression
Answers: 3
Social Studies, 23.06.2019 22:50, allisonboggs85
Ms. milanova, a bilingual educator, teaches her students a new language by using the language with which they are already familiar. only after the students have mastered the basics of the new language does she primarily begin to speak the new language during instructional periods. this approach to bilingual education is often called
Answers: 1
Aresearcher wanted to test the effect of caffeine on sleep. fifty students volunteered to participat...
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