I haven't used PREFSCAL in many years.
The SPSS documentation, says that PREFSCAL uses proximity data, but I
have always thought of preference as dominance data.
I believe the Leiden group, created this section of SPSS software. Is it
the same/similar to Doug Carroll's PREFSCAL?
Does it make a difference in PREFSCAL if the data is proximity or
dominance data?
Back in the 70's, if I had a set of stimuli, e.g., potential
Presidential candidates, for each pair I asked for a zero/one variable
from each subject.
However, I have the impression that these days the degree of preference,
e.g, on a zero to seven response scale, can be used to analyze not only
which member of the pair dominates, but also by how much.
Will the SPSS PREFSCAL handle a matrix of pairwise preference extent
ratings per respondent?
Art Kendall
Social Research Con
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