Social Studies, 16.07.2020 22:01 yoyo5752
Dr. Redbull conducts a study to determine whether her new energy drink helps children perform better on spelling tests. She randomly assigns children to one of two groups: Group 1 receives her energy drink and Group 2 receives water. She then gives both groups a spelling test and compares the results. Which of the following is true about this study?
A. Group 1 is the independent variable and Group 2 is independent variable.
B. The independent variable is the type of drink the children recieve.
C. Group 2 is the experimental group.
D. This is the corelational study.
Answers: 3
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All living things share certain characteristics. which of the following characteristics is not shared by all living things?
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Which of these describes a social effect of the civil war? a) fields were left unplanted because the slaves had been freed and much of the male population was unavailable to plant or harvest crops. b) over 600,000 men died, mostly because of the lack of food, clean water, and hygienic medical practices. c) after the emancipation proclamation was issued, african americans were allowed to join the union army. d) lincoln’s assassination after the surrender caused a disruption in the rebuilding of the nation.
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Dr. Redbull conducts a study to determine whether her new energy drink helps children perform better...
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