Ending a Slide when condition is met

[Michiel Spape]

Slide duration of 300.000 will cause E-Prime to wait for eternity'ish before actually checking whether somebody is fixating or not! Definitely not suggested.
I believe the Tobii E-Prime Extensions documentation covers this very explicitly. Basically, the slide should be 0 ms (so that it refreshes continuously) with a TETWaitForFixation (or something of the sort) after this. In the properties of this package-call, you set 1500 ms, which means E-Prime will only continue if the person is fixating (without interruption!) for 1500 ms. This, in turn, I believe is internally done with simulating key-presses. The tutorial on Tobii Extensions for E-Prime is something you should definitely not skip (I did, so do like i say, not like i do - i regretted it anyway!)
Best,
Mich


________________________________
From: e-prime at googlegroups.com [e-prime at googlegroups.com] On Behalf Of Adam Osth [adamosth at gmail.com]
Sent: 04 November 2010 23:06
To: e-prime at googlegroups.com
Subject: Re: Ending a Slide when condition is met

Could you do it via slide duration? Perhaps you could make the slide duration very long (like say, 300000 ms).

Then you could write an if statement that says if looking = 1500 ms, then slide.duration = 300000

Adam

On Thu, Nov 4, 2010 at 2:34 PM, Sravani <sravaniv at gmail.com<mailto:sravaniv at gmail.com>> wrote:
Hi,

I would like to end the slide when the looking (using TOBII) reaches
1500ms. I have all the code to calculate the accumulated looking, but
do not know how to terminate the slide once the accumulated looking is
reached. Is there something like Slide.terminate to end the slide? Or
is there a way to simulate key press when the 1500ms is reached, so
that I can simulate the key press within the code of accumulated
looking and terminate the trial on keypress?

Thanks
Sravani

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