I'm trying to set up my data in a way that allows me to use INDSCAL to find individual data. Each participants comes with a 40x40 table representing their judgements of similarity of 40 stimuli, like so:
1 2 3 ... 40
1
2
3
...
40
Whenever I run ALSCAL to calculate the differences, it says I have 1 matrix and not the number of participants, so my data doesn't process right. How can I set my data up so that SPSS knows which portion of data belongs to one participant, to then go through ALSCAL?
Figured it out! I just needed to create a 'subject' variable and list the 40 rows with 1, the next with 2, etc and use that variable as 'create individual matrices' in the first window when using ALSCAL
I give this ball to Professor Pari Delir Haghighi at Monash University.
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