Echo to display--how can I get more control?

[Peter Quain]

At 03:40 AM 1/08/2009, you wrote:

>@Peter Quain
>
>I've tried adding a text box with [Slide1.RESP], which works in my
>feedback object, to my Slide1 Object.  E-Prime doesn't like it, says
>that it doesn't exist, which makes sense, because it doesn't yet.

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I'm trying to put together an experimental setup in which participants
respond to 3 different stimuli presented simultaneously. They respond
either A, B, or C. The way I have this set up is as a slide object
with the 3 stimuli, accepting their 3 character response. While I can
get these three character responses to echo to the screen in one
location, I'd like to have each character of their responses echo to
the screen under its corresponding stimuli, and I can't seem to get
this to work.
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... perhaps you could have your stimulus slide (Stim), an inline, 
then a copy of the stimulus slide (Fback) with text boxes. Stim could 
terminate when it has collected a response, then the inline grabs the 
response and sets the text parameters for the following Fback slide. 
The transition from Stim to Fback need only occupy a single screen 
refresh, so would unlikely be noticed by subject. Not sure exactly 
what you are asking in each trial, but if in each trial the response 
is only made to one of the three stimuli, and you don't want empty 
text boxes in Fback, then make three Fback slides with only 1 textbox 
on each, beneath the stimulus that was responded to, and precede each 
one with a flag. The inline would then include an If statement 
assessing which stim was responded to, with a corresponding GoTo 
command jumping to the flag.



>@Blaire
>
>I have used three echoes, but each displays all of the response text
>(the "correct response" for the slide is a 3 character string).  I
>couldn't see anything in the echo display properties that would let me
>set the allowable keys.
>
>Thanks for the responses though.
>
>On Jul 31, 4:12 am, Blaire <blweid... at davidson.edu> wrote:
> > Are they just typing A, B OR C, and you just want the letter to appear
> > under the correct box?
> >
> > If so, you should be able to go with 3 echoes, but in the echo
> > positioned where you want the A to appear, have only A be allowable,
> > in the echo positioned where you want the B to appear, have only B be
> > allowable...ect
>

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