A school psychologist wants to test the effectiveness of a new method of teachin

Question

A school psychologist wants to test the effectiveness of a new method of teaching Health. She recruits 800 second-grade students end 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. At the end of the yea an achievement test is adrninistered and the results of the two groups compared. What is the response vanable in this experiment? O A. he score otr Graup 2 an the achievement test O B. he students ability in Health O C. The score of Group 1 on tho achievement lest O D. The score on the achievement test Which ot the tollowing explanatory variables s manipulated' O A. Grade level O B. School district O C. Teautier O D. Method or tea ching llow many levels of the treatment are there? What type of experimental design is this? O A. Survey O B. Completely randomized assignment o c. Matched pair O D. Randomized block design lderiliny e subieuts. Glick to select your answer(s).

Explanation / Answer

Solution:-

a) (A) Score on the achievement test.

b) (D) Method of teaching.

c) There are two levels of treatments.

d) (B) Completely randomized assignment.

e) (D) The subject is 800 students .

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