Question 1 of 7 Points: 10 A teacher is experimenting with a new computer-based

Question

Question 1 of 7 Points: 10 A teacher is experimenting with a new computer-based instruction and conducts a study to test its effectiveness. In which situation could the teacher use a hypothesis test for matched pairs? The teacher gives each student in the class a pretest. Then she teaches a esson using a computer program. Afterwards she g ves each student a post-test. The teacher wants to see if the difference in scores will show an improvement. The teacher randomly divides the class into two groups. One of the groups receives computer-based instruction. The other group recelves traditional instruction without computers. After instruction, each student takes a test and the teacher wants to compare the performance of the two groups. The teacher uses a combination of traditional methods and computer-based instruction. She asks students which they liked better. She wants to determine if the majority prefer the computer-based instruction.

Explanation / Answer

first option is correct for matched pair:(as same subject is in both groups)

the teacher gives each student in the class a pretest ; then she teaches a lesson using a computer program...........

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