A counterbalanced component group (Figure 1) contains two or more component groups that need to be counterbalanced.
Figure 1. Example stimulus tree with counterbalanced component group (Balanced sentences)
Adding a component group
You can add component groups by clicking on New group and selecting from one of the following types:
WARNING: Adding a component group to an existing group will remove:
Removing a component group
A component group can be removed by selecting it using the checkbox and clicking Delete in the toolbar above the table. You can also select and delete multiple component groups at once.
WARNING: Removing a component group will also remove:
Reordering component groups
Component groups can be reordered within their containing group by drag and drop.
Reparenting a component group
A component group can be moved to another group within the stimulus set tree by drag and drop.
WARNING: Reparenting a component group will also remove:
Setting composition strategy
Click Composition: sequential to set the composition strategy for counterbalancing the items from each group.
Sequential: items will be selected from each group sequentially. This means that the first item will be chosen from one of the groups then the second item will be chosen from one of the groups, etc. For example, given groups
A,B,C, the first item will be chosen from
C1, the second item will be chosen from
C2 and so forth.
Random: items will be selected from each group randomly. For example, given groups
A,B,C, each item will be chosen from any item in
A or any item in
B1 or any item in