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<TITLE>Contingency looping</TITLE>
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<P><FONT SIZE=2>Hi there,<BR>
I'm new here and I apologize in advance for my ignorance and my<BR>
idiosyncratic jargon. I'm hoping someone can direct me to the most effective<BR>
way of accomplishing<BR>
a contingency loop. My situation is as follows:<BR>
My goal is (1) to have a sequence of images (clunky animation) display<BR>
a morphed illusion and (2) to have participant input determine the follow-up<BR>
sequencing.<BR>
In other words, the participant responds at any given point in the<BR>
original sequence (say, when two lines seem to be the same length) and is<BR>
redirected (Jumps to a Label?) to a customized sequence based on the point<BR>
at which the response occurred. The new sequence, for example, might start<BR>
at a point a few images further along in the sequence (when the two lines<BR>
are clearly not the same length) and back-up to (and beyond) the point of<BR>
the user's first input. (Or, conversely, back up a few images and redisplay<BR>
the same sequence).<BR>
To accomplish the first part of this task, I've got a List that<BR>
repeatedly calls a Proc with a Slide Object set up with a generic image<BR>
holder on a single slide. The List specifies (calls) the original sequence<BR>
of bitmaps.<BR>
I have failed to solve the second part of this task, even though I<BR>
attempted to write script 2 (for starters) InLine objects with different<BR>
sequences. I can make it vary the sequence using <Set> and <ExplicitOrder>,<BR>
but I don't know how to tell it "start with this bitmap, on the basis of<BR>
user input", I can't seem to control the flow correctly, and I can't seem to<BR>
get the Slide to actually take the user input and jump.<BR>
I suspect that I'm asking for too much help. Nevertheless, I'd be<BR>
grateful for any tidbits you can throw my way. I'm a neophyte E-Prime user<BR>
and I'm waiting impatiently for a copy of VBA for Dummies to arrive in the<BR>
mail.<BR>
TIA,<BR>
Catya<BR>
PS The main frame computer can't seem to spell my last name correctly with a lower case "v"<BR>
<BR>
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