# Re-use trial control elements

Aim

To create a Trial Control element without starting from scratch.

All elements of Trial Control (conditions, actions, operators, sub-rules and sub-rule references) defined in other Trial Control Settings can be duplicated and re-used in your current Trial Control Settings.

Procedures

Re-use a Trial Control element (general)

Use this procedure to create a Trial Control element from an existing one, even when this is stored in another Trial Control Settings profile.

1.Click the button next to the element you want to create.

2.The Add window appears. Select Reuse an existing condition/ action. and select the name of the existing element from the list next to the option.

From the second list, choose the Trial Control Settings profile that contains the element you want to re-use.

3.Click OK.

4.A window appears for the type of element chosen. The Name and settings specified here are the same as in the element chosen in step 2.

▪To create an identical copy of the element, click OK and go to step 5.

▪In all other cases, edit the settings and click OK, and go to the next step.

5.Insert the resulting box in the Trial Control sequence.

Copy and paste a Trial Control element

Use this procedure to quickly copy one or more Trial Control elements that you see on the screen. This applies to actions, conditions, operators and references to sub-rules. See Copy and paste a box

Notes

▪To duplicate an entire Trial Control procedure, In the Experiment Explorer, under Trial Control Settings, right-click the profile and select Duplicate.

▪When you duplicate a Trial Control element, and change any settings of the new element, including name and comment, a window appears showing two options:

Apply the new settings only in the current trial control profile. Choose this option to apply the settings only to the new copy,

Apply the new settings in all writable Trial Control profiles. Choose this option to extend those changes to the original elements in all Trial Control Settings that are writable, that means, not locked after acquisition.