esearchers were interested in assessing whether stress levels are different at the beginning of the semester compared to finals week. To test this, stress was measured in 5 students at the start of the semester and then again at the end of the semester during finals week. Participant Stress 1 Stress 2 Difference Score (Di) (Di - Mdiff)2 1 22 22 0   2 32 34 -2   3 24 25 -1   4 28 30 -2   5 26 29 -3     What is the effect size (Cohen's d)? Round to 2 decimal places.

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Researchers were interested in assessing whether stress levels are different at the beginning of the semester compared to finals week. To test this, stress was measured in 5 students at the start of the semester and then again at the end of the semester during finals week.

Participant

Stress 1

Stress 2

Difference Score (Di)

(Di - Mdiff)2

1

22

22

0

 

2

32

34

-2

 

3

24

25

-1

 

4

28

30

-2

 

5

26

29

-3

 

 

What is the effect size (Cohen's d)? Round to 2 decimal places.

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