Extend a trial after making keyboard response

Libra — Thu, 16 Jul 2020 20:58:20 GMT

Hello Dave,

Currently, I have trials in my study that are set up like this.

<trial self_posUP>
/ validresponse = ("A", "L")
/ correctresponse = ("L")
/ stimulustimes = [0 = noreplace (SELF); 200 = blanks; 300 = replace (goodtarget)]
/ soundcapture = true
/ posttrialpause = 1000
</trial>

In the task, participants need to first press a key to categorize the target which shows up at 300ms. They also have a second task which is to provide a voice response AFTER pressing the key.

But, because the trial would end once the participant presses the key, their voice response could be cut off or even not be recorded. We were wondering how we would be able to add a blank-screen of 1000ms after participants press the key, which is counted still as within the given trial, so that participants’ voice responses could also be completely recorded. The post-trial pause of 1000ms can then be deleted.

Thank you for your help and time!

RE: Extend a trial after making keyboard response

Dave — Thu, 16 Jul 2020 20:58:20 GMT

+x[quote]

[b]Libra - 7/16/2020[/b]
Hello Dave,

Currently, I have trials in my study that are set up like this.

<trial self_posUP>
/ validresponse = ("A", "L")
/ correctresponse = ("L")
/ stimulustimes = [0 = noreplace (SELF); 200 = blanks; 300 = replace (goodtarget)]
/ soundcapture = true
/ posttrialpause = 1000
</trial>

In the task, participants need to first press a key to categorize the target which shows up at 300ms. They also have a second task which is to provide a voice response AFTER pressing the key.

But, because the trial would end once the participant presses the key, their voice response could be cut off or even not be recorded. We were wondering how we would be able to add a blank-screen of 1000ms after participants press the key, which is counted still as within the given trial, so that participants’ voice responses could also be completely recorded. The post-trial pause of 1000ms can then be deleted.

Thank you for your help and time!
[/quote]

> We were wondering how we would be able to add a blank-screen of 1000ms after participants press the key, which is counted still as within the given trial.

That's not possible. At best, you can do something like this https://www.millisecond.com/forums/Topic29393.aspx , but that's not quite the thing you're asking for.

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Extend a trial after making keyboard response

RE: Extend a trial after making keyboard response