If an experimental group’s mean of 60 is a better outcome than the control group’s mean of 55, and the standard deviation is 10, then the d-index equals:

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If an experimental group’s mean of 60 is a better outcome than the control group’s mean of 55, and the standard deviation is 10, then the d-index equals:
a.
.50
b.
5.0
c.
2.0
d.
.05
c

The Correct Answer is

b

Reason Explained

b is correct for If an experimental group’s mean of 60 is a better outcome than the control group’s mean of 55, and the standard deviation is 10, then the d-index equals:

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