Fragmented pictures with multiple inputs

[David McFarlane]

Unsure whether "this" refers to  (1) how to run a sequence of stimuli 
until the subject reaches some criterion, or (2) how to have images 
with varying degrees of fragmentation.

For (1), start by looking at the "Criterion Based Exit" example that 
you may download from the PST website.

For (2), did you mean to have EP programmatically fragment the images 
for you?  I think you would be hard preseed to get EP to do 
that.  But if you can make a series of 6 fragmented image files for 
each base image then you could simply have EP present those using an 
ImageDisplay or Slide in the normal way.

-----
David McFarlane
E-Prime training 
online:  http://psychology.msu.edu/Workshops_Courses/eprime.aspx
Twitter:  @EPrimeMaster (https://twitter.com/EPrimeMaster)

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At 8/13/2013 11:32 PM Tuesday, Alexandre Nobre wrote:
>Hello. I'm new to E-prime and am currently trying to implement an 
>experiment on identification of fragmented pictures, but can't 
>figure out how. Each trial in the experiment should initiate with 
>the presentation of a fragmented picture, to which the subject must 
>respond verbally. If the subject identifies it correctly, the 
>experimenter initiates the next trial, with a different fragmented 
>picture. However, if the object is named incorrectly, the same 
>picture appears on the screen, but in a less fragmented form. Also, 
>I need to have six different levels of fragmentation, so that, if 
>the subject can`t identify the picture correctly on any level, the 
>next trial is initiated, with a new fragmented picture. Does anyone 
>know how to do this?

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