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A. Ms. Largen wants to test the effect of studying time on students' test grades She splits the class into 2 groups, Group A and Group B. Group A spends 1 extra hour studying than Group B. After 2 weeks, Group A's test grades increased whereas Group B's test grades did not increase or decrease. 1. What is the problem being tested? 2. What is the independent variable? 3. What is the dependent variable? 4. Which group is the control group? 5. What is the conclusion?

Question

A. Ms. Largen wants to test the effect of studying time on students' test grades She splits the class into 2 groups, Group A and Group B. Group A spends 1 extra hour studying than Group B. After 2 weeks, Group A's test grades increased whereas Group B's test grades did not increase or decrease. 1. What is the problem being tested? 2. What is the independent variable? 3. What is the dependent variable? 4. Which group is the control group? 5. What is the conclusion?

A. Ms. Largen wants to test the effect of studying time on students' test grades She splits
the class into 2 groups, Group A and Group B. Group A spends 1 extra hour studying
than Group B. After 2 weeks, Group A's test grades increased whereas Group B's test
grades did not increase or decrease.
1. What is the problem being tested?
2. What is the independent variable?
3. What is the dependent variable?
4. Which group is the control group?
5. What is the conclusion?

Solution

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KenleyMaster · Tutor for 5 years

Answer

1. **What is the problem being tested?** <br /> The problem being tested is the effect of studying time on students' test grades.<br /><br />2. **What is the independent variable?** <br /> The independent variable is the amount of extra study time, specifically the additional hour that Group A spends studying compared to Group B.<br /><br />3. **What is the dependent variable?** <br /> The dependent variable is the students' test grades, as these are expected to change in response to the amount of study time.<br /><br />4. **Which group is the control group?** <br /> Group B is the control group because they do not receive the extra hour of study time and serve as a baseline for comparison.<br /><br />5. **What is the conclusion?** <br /> The conclusion is that spending an extra hour studying appears to have a positive effect on students' test grades, as evidenced by the increase in test grades for Group A compared to no change in Group B's test grades.
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