By JuliaH - 8/10/2015
Hi,
*just as a disclaimer, I am new to Inquisit and have no background in programming and coding*
I am using the ANT CRSD and would like to display an error feedback with the text "no response detected" if participants do not give a response.
At this moment the feedback is 'Error' (when the participant presses the incorrect key AND when there is no response before timeout) or 'Correct (when the participant presses the correct key).
I have already made the following changes to the script:
<item practicefeedback>
/1 = "Error"
/2 = "Correct"
/0 = "No response detected"
</item>
which has had no effect.
I think I have to make an additional change to the following section, but am not sure how to work with the if - else section as I want to have 3 rather than 2 options:
I would like to add "no response detected" in this format: {text.feedback.textcolor = red; values.selectfeedback = 0
<trial practice_feedback>
/ontrialbegin = [if (values.validcorrect == 1) {text.feedback.textcolor = green; values.selectfeedback = 2} else {text.feedback.textcolor = red; values.selectfeedback = 1}]
/stimulusframes = [1 = fixation, feedback, rtfeedback]
/trialduration = values.practicefeedback_duration
/branch = [trial.iti]
/recorddata = false
</trial>
Thank you for your help!
Julia
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By Dave - 8/10/2015
You want
<trial practice_feedback>
/ontrialbegin = [if (values.validcorrect == 1) {text.feedback.textcolor = green; values.selectfeedback = 2}
else if (block.ant_practice.response == "0") {text.feedback.textcolor = red; values.selectfeedback = 3}
else {text.feedback.textcolor = red; values.selectfeedback = 1}]
/stimulusframes = [1 = fixation, feedback, rtfeedback]
/trialduration = values.practicefeedback_duration
/branch = [trial.iti]
/recorddata = false
</trial>
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By Dave - 8/10/2015
Please disregard the above for the time being. I think there is a slight mistake which will lead to the wrong feedback being given under certain circumstances. I will post corrected code ASAP.
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By Dave - 8/10/2015
This should work more reliably, but let me know if you encounter any problems with it:
<trial practice_feedback>
/ontrialbegin = [if (values.validcorrect == 1) {text.feedback.textcolor = green; values.selectfeedback = 2} else {text.feedback.textcolor = red; values.selectfeedback = 1}]
/ontrialbegin = [if (block.ant_practice.latency >= 1500) {text.feedback.textcolor = red; values.selectfeedback = 3}]
/stimulusframes = [1 = fixation, feedback, rtfeedback]
/trialduration = values.practicefeedback_duration
/branch = [trial.iti]
/recorddata = true
</trial>
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By JuliaH - 8/10/2015
Thank you Dave, it works!
What is the reason for changing
/recorddata = false
to
/recorddata = true ?
I assumed that before data was not recorded as feedback was given during practice only.
Julia
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By Dave - 8/10/2015
No reason except for testing purposes (having a record in the data file that allows for checking whether the proper feedback was presented). Once you've ensured that you can safely set it back to false.
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By JuliaH - 8/10/2015
clear, thanks!
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