Social Studies, 24.02.2020 21:01, AJRL2005
Determine whether the study described is a randomized experiment or an observational study. A math department chair wants to determine the effectiveness of online homework systems. She selects four college algebra classes where each one is set up to use a different online homework system. Students have already enrolled in the classes. She administers a common pretest and final exam to measure the effectiveness.
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Determine whether the study described is a randomized experiment or an observational study. A math d...
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