Mathematics, 20.09.2020 02:01 therealdest

Question 9 of 10 The effect of the time of day a science class is taught on test scores is being
studied in an experiment. Which of these is most likely to be an extraneous
factor that could also affect test scores?
o
A. Color of the school hallways
B. Student clothing
O
C. Length of class period
D. Principal of the school
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