t-test Quiz

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t-test quiz

1 / 10

Which number tells you that the difference between the mean scores of the Control group and Treatment group is not due to chance? (choose 2)

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2 / 10

Cohen’s d of -0.69 represents …………………………, according to Cohen (1988)?

3 / 10

Which values tell you if the difference between two means is not due to chance? (Choose 2)

4 / 10

According to JASP results and Cohen (1988), what can you say? (Choose 2)

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5 / 10

You want to find out if students in a directed reading group perform better than those in the regular group on the reading test, which statistical procedure would you use?

6 / 10

Which value tells you how big the difference between two means is?

7 / 10

If the assumptions of t-test analysis have been violated, which statistical procedures would you use for dependent t-test? (Choose 3)

8 / 10

Which test is used to determine the assumption of homogeneity of variance in t-test analysis?

9 / 10

You know that the average IQ score for humans is equal to 100 and want to know whether the average IQ scores for a group of students differ from 100, which statistical procedure you would use?

10 / 10

According to JASP results and Cohen (1988), the difference between the average scores of the Control group and Treatment group is ………?

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