help--alternating text and image stimuli

[David McFarlane]

Rick,

Brilliant use of attribute to control slide state, I had missed that, 
thank you SO much for figuring that out and posting back!  Also 
thanks for hint about cloning slide states.

And I too regain respect for E-Prime when I stumble on things like this.

-- David McFarlane, Professional Faultfinder


At 5/20/2009 02:32 PM Wednesday, you wrote:

>As per an earlier post, sorry to have lagged in my reply to this thread.
>Thanks to those who suggested ideas--David McF, Paul J, liwenna. On
>seeing Paul's suggestion, using a substantial bit of inline code, I was
>inspired to try figuring out the slidestate method, as it seemed simpler. :)
>
>David's email confirmed what I had found--that Slidestate was the
>solution, but I did not need to use inline code to tell E-Prime which
>slidestate to use. It's simpler than that.
>
>After setting up the alternative slidestates and naming them (you get at
>this by right-clicking on the tab at the bottom, which will default to,
>err, 'default', then 'default1', etc.), you can tell E-Prime which one
>to use in the Slide's general property options. Under the General tab,
>there's a setting for Activestate. Instead of choosing one of the
>slidestates that you have created, you can instead enter a variable name
>in here (e.g., [stimtype]) and then set up which slidestate to use in a
>list elsewhere, using one of the slidestate names (in my case, I had
>two, one called 'text' and one called 'pic'). So in my relevant list, I
>had a variable called slidestate that took either a value of 'pic' or
>'text' depending on another variable setting (whether I wanted to
>present an image or text as a stimulus). This then told the relevant
>slide to use either pic or text, as appropriate.
>
>By the way, when creating multiple slidestates that are variations of
>each other, there is a 'clone state' option, which is a nice
>labour-saving tool.
>
>Maybe E-Prime will keep me loyal yet. :)
>
>Rick
>
>David McFarlane wrote:
> > 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
> >
> >
> > >
>
>--
>Rick O'Gorman, PhD
>Psychology, Faculty of Development and Society
>Collegiate Crescent Campus,
>Sheffield Hallam University,
>Sheffield
>S10 2BP
>
>Phone: 0114 225 5788 Fax: 0114 225 2430
>
>http://www.shu.ac.uk/psychology/staff/OGorman.html


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