In 916, determine whether the study depicts an observational study or an
Chapter 1, Problem 11(choose chapter or problem)
In 916, determine whether the study depicts an observational study or an experiment.Seventh-grade students are randomly divided into two groups.One group is taught math using traditional techniques; the otheris taught math using a reform method. After 1 year, each group isgiven an achievement test to compare proficiency.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer