how to measure the duration of a key press\ the time of it's release

[David McFarlane]

For information on using releases, start with the "{key} 
nomenclature" topic in the E-Basic Help facility.  (Remember that in 
general the technical documentation for E-Prime, such as we get any, 
is in the E-Basic Help.)  You might also look at the "Key Release" 
example that you may download from the PST website.

Note, of course, that you may have to completely rethink your 
programmning approach in order to make the best use of the release facility.

(BTW, in future replies could you please include all the replies from 
others in addition to your own posts?  That would make it easier for 
others to follow the thread.  Thanks.)

-----
David McFarlane
E-Prime training 
online:  http://psychology.msu.edu/Workshops_Courses/eprime.aspx
Twitter:  @EPrimeMaster (https://twitter.com/EPrimeMaster)

/----
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At 5/29/2013 06:28 AM Wednesday, Ziv Ronel wrote:
>this sounds great, only.. how do I tell E-prime to collect releases? 
>(haven't seen such a thing in the logging or the general options)
>
>On Wednesday, May 29, 2013 7:27:08 AM UTC+3, Ziv Ronel wrote:
>hello E-prime hive brain,
>
>I know it's probably dead simple but iv'e been at it for a week now.
>
>i'm doing a study in which random pauses are introduced, in a 
>frustrating matter, and the participants should press keys randomly 
>in an attempt to make the program work.
>
>i need to measure how many frustrated keypresses there were, at what 
>rate, and for how long each key was down (to measure these long 
>angered key presses).
>
>I managed to create the first two, but haven't been able to measure duration.
>the only thing that came even close was this piece of code that I wrote:
>
>         Dim theResponseObject As RteRunnableInputObject
>Set theResponseObject = CRteRunnableInputObject(Rte.GetObject("Wait1"))
>
>         Debug.Assert Not theResponseObject Is Nothing
>
>Dim KeyReleaseTime As Long
>If ebStatePress = 0 Then
>KeyReleaseTime =  Clock.ReadMillisec
>End If
>
>         c.SetAttrib "KeyPress" & nIndex & "Release", KeyReleaseTime
>
>
>(there is also a loop in there designed to redo that for every key 
>press made in "wait1", but i've left it out)
>
>
>HELP!

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