Practical Meta-Analysis Effect Size Calculator
David B. Wilson, Ph.D., George Mason University

For each group, input proportions for each value of an ordinal (or better) scale.

Note: Proportions entered into the table below must be in the range of 0 to 1. Sum of proportions within each group should equal 1, within rounding error.

Treatment

Control

Total N

Row 1

2

3

4

5

6

7

8

9

10



d =

95% C.I. =

v =