User`s guide

E-Prime User’s Guide
Chapter 2: Using E-Studio
Page 41
2.6.1.2 Add a block attribute
In the BlockList, add an attribute and rename it PrimeDuration. This attribute will be used to vary
the duration of the prime across blocks. Click the Add Level tool button to add one level.
Complete the BlockList to define the levels of the PrimeDuration attribute as 500 and 1000
milliseconds.
2.6.1.3 Set the sampling method for the block
Click the Properties button in the BlockList and set the order of selection to “random” (Selection
tab). The summary will appear as follows:
2.6.2 Move the DesignList to BlockProc
We need to move the DesignList one level deeper in the experiment. We now want the
DesignList to occur in the BlockProc rather than the SessionProc. We will need to move the
DesignList to the BlockProc, and then delete it from the SessionProc. Open the BlockProc in the
Workspace. Click the DesignList object in the Structure view and drag it to the BlockProc timeline
to run the DesignList from the block Procedure. After adding the DesignList to the block
Procedure, delete the DesignList from the SessionProc.
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