Question
38. An education researcher was interested in examining the eect of the teaching method and the teacher on students' reading levels. 257 students participated in
38. An education researcher was interested in examining the eect of the teaching method
and the teacher on students' reading levels. 257 students participated in an experi-
ment. There were two dierent teachers (Juliana and Felix) and three dierent teaching
methods (A, B, and C). Students were randomly assigned to a teaching method and
teacher. At the end of the semester the students took a reading test on which they
received a score out of 20. Students who studied with Felix using method B achieved
the highest scores. Identify the factor(s) in the experiment and the number of levels
for each.
(a) Score on reading test (20 levels)
(b) The teacher and teaching method combination (6 levels)
(c) Juliana and method A, Juliana and method B, Juliana and method C, Felix
and method A, Felix and method B, Felix and method C (6 levels)
(d) Teaching method (3 levels), teacher (2 levels), score on reading test (20 levels)
(e) Teaching method (3 levels) and teacher (2 levels)
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