Question Help A school psychologist wants to test the effectiveness of a new met

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Question Help A school psychologist wants to test the effectiveness of a new method of teaching Mathematics. She recruits 300 second-grade students and randomly divides them into two groups. Group 1 is taught by means of the new method, while Group 2 is taught via traditional methods. The same teacher is assigned to teach both groups. A the end of the year, an achievement test is administered and the results of the two groups compared What is the response variable in this experiment? 0 A. The students' ability in Mathematics B. The score on the achievement test O C. The score of Group 1 on the achievement test D. The score of Group 2 on the achievement test Which of the following explanatory variables is manipulated? O A. Intelligence O B. Grade level O C. Teacher 0 D. Method of teaching Click to select your answer(s) here to search PrtScr·nsert -Delete -egup F9 F10 11 F12

Explanation / Answer

Response variable - B. The score on the achievement test

Explanatory variable - D. Method of teaching

Experimental design - B. matched pair

Subjects - B. The 300 students

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