help--alternating text and image stimuli

[David McFarlane]

Rick,

I would use a Slide object with multiple states, as you guessed.  One 
state would use a Text sub-object, and another state would use an 
Image sub-object.  You would then have to use a bit of inline script 
to set the state before running the slide in your procedure, based 
either on the value of the attribute that encodes the stimulus, or 
using another attribute just to indicate text vs. image.  Might be 
worth browsing the PST downloads to see if they show how to handle 
Slide states, or just make a demo program with any Slide (or better, 
a Feedback object, which is just a special type of Slide) and look at 
the generated script, that's how I figure out how to manage Slide states.

Good luck,
-- David McFarlane, Professiona Faultfinder


At 4/28/2009 05:07 PM Tuesday, you wrote:
>I'm guessing this is easy to do if you know how, but I can't figure a
>solution; the manuals are of little help. I am creating an IAT and want
>a mix of images and text as stimuli. I thought I could just put the
>image file names in the relevant LIST but this doesn't work. I then
>realised that slides have either text or image objects, so I figure I'm
>goiung to have to mess around with multiple versions of slides--do I use
>slidestate? Or can I layer a text object and image object on top of each
>other and assume that it is transparent if nothing is called for that
>implementation? If you've got something that does this can can share it,
>that would be welcome.
>
>Cheers,
>
>Rick
>--
>Rick O'Gorman, PhD
>Psychology, Faculty of Development and Society
>Collegiate Crescent Campus,
>Sheffield Hallam University,
>Sheffield
>S10 2BP


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