Determine whether the study depicts an observational study or an xperiment. Tent

Question

Determine whether the study depicts an observational study or an xperiment. Tenth grade students are randomly divided into two groups. One group is taught math using traditional techniques. The other is taught math using a reform method. After 1 year, each is given an achievement test to compare its proficiency with that of the other group. OA. The studyis an experiment because the study examines ndviduals in a sample, but does not ty to inliance he variable of nteret because the researchers control one variable to determine the effect on the response variable. O C. The study is an observational study because the study examines individuals in a sample, but does not try to infuence the response variable. O D. The study is an observational study because the researchers control one variable to determine the effect on the response variable.

Explanation / Answer

The study is an experiment because the researcher control one variable to determine the effect on the response variable

Option A.

This is an experimental study.

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