Accuracy on the preceding n-trials

[David McFarlane]

Jon,

Stock reminder:  1) I do not work for PST.  2) PST's trained staff 
takes any and all questions at 
http://support.pstnet.com/e%2Dprime/support/login.asp , and they 
strive to respond to all requests in 24-48 hours -- this is pretty 
much their substitute for proper documentation, so make full use of 
it.  3) If you do get an answer from PST Web Support, please extend 
the courtesy of posting their reply back here for the sake of others.

That said, here is my take...

How about the "Criterion Based Exit" example downloadable from the 
PST web site?

-- David McFarlane, Professional Faultfinder


At 8/29/2011 03:59 PM Monday, you wrote:
>I am new to e-prime.  I am trying to change from when block of trials
>to a second block of trails based on a 100% accuracy on the previous n
>trials.  Unfortunately, I do not know what key words will help me
>search to find what I want.
>
>Let us say have three conditions, A, B, and C, and each condition has
>20 different trials with in it.  I can get e-prime to randomly select
>a condition and then trials.  What I need is for a condition to
>continue infinitely, selecting trials randomly without replacement,
>until the some number (let's 4) of consecutive trials are correct.
>Once those four trials are correct, then eprime will randomly select
>the next condition.  I appreciate that inline code will be necessary,
>but I am not sure what is necessary.
>
>Can someone start to point me in the appropriate direction?
>
>Thanks for the help,
>
>Jon

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