Different D-scores between Inquisit and SPSS


Different D-scores between Inquisit and SPSS

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cmrober2
cmrober2
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Hi,


I have written a script that runs three different experiments comparing attitudes towards obese people. When I run the program it gives me a sum (following Greenwald's IAT protocol) for each independent section. If I download the raw data and process it in SPSS, however, I get the same score for my first experiment, but for my second two experiments the score is a little bit different. Is this normal? Or do I have an error in the script that I need to hunt down?



Thanks



Chris


Dave
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If I download the raw data and process it in SPSS, however, I get the same score for my first experiment, but for my second two experiments the score is a little bit different. Is this normal?


No, it's certainly not normal. There may be tiny differences due to rounding error, so I guess it depends on what "little bit different" is actually supposed to mean.


Or do I have an error in the script that I need to hunt down?


Probably yes -- either in the Inquisit script or in the SPSS syntax.


Regards,


~Dave


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