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picture.nontargetshape on Nback task

rachel_kantor — Mon, 18 Jan 2016 04:23:15 GMT

I downloaded the Single Task Adaptive Nback task directly from the millisecond library. However, it does not seem to work. I must be doing something wrong. I get the following message, and no results are calculated:

picture.nontargetshape
unable to initialize <picture nontargetshape> item number 0. verify the item exists and is correctly defined.

How do I resolve this issue?

RE: picture.nontargetshape on Nback task

Dave — Mon, 18 Jan 2016 04:23:15 GMT

Correction: There is a minor mistake in the script's <list notargetvalue> element that can lead to the detailed error. The fix is to change the erroneous /selectionmode specification

<list notargetvalue>
/items = (1, 2, 3, 4, 5, 6, 7, 8)
/ not = (values.currenttarget)
/ selectionmode = replace
</list>

tothe proper

<list notargetvalue>
/items = (1, 2, 3, 4, 5, 6, 7, 8)
/ not = (values.currenttarget)
/ selectionmode = random
/ replace = true
</list>