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[I][edited from support email][/I]
We are creating a Stroop Task that will require participants to hit the correct response before proceeding to the next trial. We created the stroop file and included an [I]incorrect.txt[/I] file in the session folder. When we run the file, the session ends as soon as we provide the incorrect response rather than just displaying the [I]X[/I] and the target stimulus until we get it right. Do you know what we're doing wrong?
Two things. First, you need to actually list the incorrect responses as valid keys, otherwise DirectRT will ignore them. So, for example, instead of:
[CODE]
rt:203
rt:205
rt:208
rt:200
[/CODE]try:
[CODE]
rt:203,200,205,208
rt:205,200,203,208
rt:208,200,203,205
rt:200,203,205,208
[/CODE]
That would explain why you don't get the X. The other question is why it is ending. I think it's because you have a conflict--on the one hand you are asking that a correct response be given no matter what. On the other hand yoiu have a [I]min-max[/I] value in your style file of [I]50-3000![/I] indicating that the trial should continue after 3000ms, no matter what. In fact, if you change the [I]min-max[/I] value to simply [I]50-3000[/I] (i.e., no "!"), or [I]0[/I], then the problem goes away. Let me know if that resolves it.
-Blair