Delayed Matching to Sample

[jongretar]

Hi, thanks for that. I'll give it a go and if it won't work I'll post
some more specific descriptions of the task.

On Jul 7, 9:32 pm, Ben Meyers <benjamin.d.mey... at gmail.com> wrote:
> The delay part is not really that complicated depending on what method
> you are using to display your stimulus and comparisons.  Since I don't
> know exactly how your experiment is implemented I can only give you a
> few ideas of the different methodologies.
>
> 1) Sleep(nTime)   'placed in an InLine script the script will hang for
> the msec duration of nTime
> 2) Clock.Read 'returns a value in msec of the session duration I
> believe
> 3) You can of course alter the duration of an image display in the
> properties window for an Image Display
> 4) You can put in a wait object with a specified duration.
>
> Whatever you're doing, you don't want to clear the stimulus canvas
> until you want it to disappear so Clear After should be No.
>
> Hope that helps, if not a few more specifics would allow a better
> response.
>
> On Jul 7, 11:49 am, jongretar <jon.sigurjons... at gmail.com> wrote:
>
> > Hi E-Primers,
>
> > I'm having difficulty figuring out how to tell E-Prime to do a delayed
> > Matching to Sample (MTS) procedure. My protocol is like this:
>
> > A sample (A1, A2 or A3) is presented at the top of the screen
> > 500 ms ISI
> > Two comparisons appear below the sample with the sample still visible
> > till the participant chooses one of the comparisons.
> > The sample will be one of three possible images (A1, A2 and A3) while
> > the correct comparison will be either B1 B2 or B3 (depending on the
> > sample) and the other comparison will be a foil.
>
> > I've figured out how to do this using a regular MTS procedure but the
> > delayed part is giving me a headache. Any ideas?
>
> > Thanks a million,
> > Jón
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