Determine whether the study depicts an observational study or an experiment.
Students a...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 07.03.2020 00:24, megamorph
Determine whether the study depicts an observational study or an experiment.
Students are randomly divided into two groups. One group is taught German in a primarily oral class the other is taught German in a primarily written class. After 1 semester, each group is given a German test to compare fluency.
Choose the correct description of the study
a. The study is an experiment because the study examines individuals in a sample, but does not try to influence the variable of interest.
b. The study is an observational study because the study examines individuals in a sample, but does not try to influence the variable of interest.
c. The study is an experiment because the researchers control one variable to determine the effect on the response variable.
d. The study is an observational study because the researchers control one variable to determine the effect on the response variable.
![answer](/tpl/images/cats/otvet.png)
Answers: 3
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:50, george27212
Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x β y = 3p β q 3x + y = q β 3p x β y = p β q x + y = q β p
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:30, Kizmit1423
How does reflecting or rotating a figure change the interior angles of the figure?
Answers: 2
Do you know the correct answer?
Questions in other subjects:
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/biologiya.png)
Biology, 28.10.2020 16:30
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 28.10.2020 16:30
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/istoriya.png)