Unbalanced presentation of pictures in the Dot Probe


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alexa
alexa
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Hello there,

I have a question concercing the DotProbe. I modified the DotProbe-script (see attachment). Now I conducted a pretest with the testmonkey (10 times/"participants"). Every participant had 10 pratice trials followed by 160 „real“ trials. The real trials were as followed: 20 high-caloric pictures paired with animals/plants and 20 low-caloric pictures, also paired with animals/plants (40 DP-trials * 4 (left/right and probe/noprobe) = 160 trials). Thus every picture has to be presented 4 times. Now I have analyzed the data and I saw that some pictures are presented more than 40 times (10 participants *4), especially high-caloric pictures, but low-caloric pictures were presented less than 40 times.
The practice-block works perfectly...

I am wondering why? There has to be an error in my syntax but I don't find it.
It would be really nice if someone could help me out.
Thanks a lot,
Alexa
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DotProbe_final_testmonkey.iqx (318 views, 43.00 KB)
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