Use this field to select the variable containing effects, either used for determining sign of the Z -score when study p-values are combined with sample sizes as the weights, or for providing the effects whose inverse- variance weighted averages are used for calculating a test statistic .Important : This variable should be named consistently across all of the data sets. If different variable names are used, the additional names must be specified on the Other Variable Names tab.The variables in the specified data sets are displayed in the Available Variables field.
Click to add the highlighted variable to the Effect Estimate or Direction Variable field, as shown below: