Stop Signal task,about data collection and interpretation


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Dave
Dave
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sorry,I didn't notice the forum section


No need to apologize. It's just that posting in the correct sub-forum makes it easier for both you and me to determine what an issue may be or how to solve a given problem. Certain things apply to Inquisit 4 but not Inquisit 3 and vice versa.


Iris520
Iris520
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Oh^-^ sorry,I didn't notice the forum section.Many thanks,Dave.


Dave
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The latest Inquisit 4 version is 4.0.2.0. 4.0.0.0 is an ancient beta version with many bugs.


Please post any future requests in the correct forum section.


Iris520
Iris520
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all machines use the same inquist  version 4.0.0.0.  I downloaded the script from the Task Library,and don't change anything.keyboard scancodes is consistent


But why one of machines can run correctly,but others can't.  so,where is the difference among computers may be?


OMG!I'm going to crazy!


Dave
Dave
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(1) Make sure you are using the same Inquisit version on all machines. Since you've posted in the Inquisit 3 forum, that would be version 3.0.6.0.


(2) Check your script thoroughly for errors, especially if you made any changes to it. Compare it to the original, unmodified version available from the Task Library.


(3) As noted previously, check the keyboard scancodes on the machine and in the script.


Iris520
Iris520
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Hi,Dave,sorry to bother you again.My problem  still needs to be solved.Stop signal task can't run correctly.It seems stop trial can't work——subject can't  suppress all of responses;the value.ssd is always 50.


My computer is Window XP system.one of my friend's window 7 can run correctly,but the other one(window 7)can't work on,it has the same problems as I used describe.I used the original script.Do you know what is the cause may be?


Many thanks in advance




Iris


Iris520
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thanks,because I already translated this script into Chinese,so there have many problem! I will check it  carefully. thank you again


Dave
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What are the keyboard scancodes for D & K on your machine (see Tools -> Keyboard Scancodes...) and which scancodes are configured in values.leftkey & values.rightkey in the script's <values> element?


Also note that this does not fit the data set you posted, which clearly shows responses were submitted. If the keys you used were useless, that would not be the case.


Iris520
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OMG ! the problem is the responses. Press the 'D' key with the left index finger when the arrow is pointing to the left 


and press the 'K' key with the right index finger when the arrow is pointing to the right.


but in my computer,the key is useless! so strange!Dave,thank you for all your assistance


Dave
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In the data set you posted there is *no successful inhibition*.


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