Dr. Jones conductance experiment totes out if doing hands-on science activities would increase his students’test scores on the end of the year 5th grade science test. He designed many fun and engaging activities that allowed students to explore science concepts. When the end of the year came, he gave his class the same test that he always gives his class at the end of the year. Then he looked at the data and drew a conclusion. What does Dr. Jones also need to do to check the results of his experiment? A. He needs to make sure that the students understood the test questions.
B. He needs to compare the data to last year’s class that did not do any hands-on activities.
C. He needs to research the most effective hands-on science activities to use next year.
D. He needs to reteach the standards that students scored lowest on.
do put no link answer it right pls