Social Studies, 29.02.2020 03:24 hanchinsko12
A teacher wanted to know whether it hurts or helps your exam performance if you rethink and change some answers on a multiple-choice test. Students in this study were told to review their final exams and change any answers they wanted to before turning them in. However, the students had to indicate both the original answer and the changed answer for each question. The teacher graded each exam twice, once using the set of original answers and once with the changes. Are the data sufficient to conclude that rethinking and (if necessary) changing your answers has an impact on test scores?
Answers: 1
Social Studies, 22.06.2019 08:00
What were some of the things done to the colonists by king george iii
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Social Studies, 22.06.2019 22:20
Martha participates in a research study in order to receive extra credit for her psychology class. when she arrives in the research office she is given a can of what looks and tastes like beer, but which actually contains no alcohol. in the adjoining room martha's classmate karen is also participating in the study. karen receives a can of alcoholic beer. if the experiment was designed to test the effects of alcohol on concentration, then who is exposed to the independent variable?
Answers: 3
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