Multiple Choice
Exhibit 10.1: A third grade teacher feels that vocabulary instruction will help her children improve their reading scores.Half of her class receives vocabulary instruction, while the other half has a library period.She will compare reading scores after four months.
-Refer to Exhibit 10-1.In order to test her hypothesis the teacher should have which group receive vocabulary instruction?
A) Those who volunteer
B) The best students
C) The poorest students
D) A randomly selected group
E) Good students who show poor concentration
Correct Answer:
Verified
Correct Answer:
Verified
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