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    SPSS vs. XLSTAT

    I am an SPSS Base user, and I'm ready expand my capability by buying a bunch of SPSS modules (Exact Tests, Conjoint, Forecasting, etc.). The price, however, is daunting. XLSTAT is about half the price and offers techniques that SPSS doesn't like TURF Analysis. I work in a medium-sized...
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    Partitioning Longer Survey

    I have to field a necessarily long marketing survey. I think that there are techniques for partitioning the questions so that all are covered in the aggregate, but no one respondent sees or answers them all. 1. Is there a term of art for doing this? I've fumbled around in search engines to...
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    Cognitive Dissonance about Likert Scale

    I am wondering if the typical format of the Likert Scale creates cognitive dissonance for survey respondents. The Likert Scale is bipolar (e.g. Strongly Disagree to Strongly Agree) and typically has number coding (e.g. 1, 2, 3, 4, 5). Presumably the middle point (if there is one) indicates a...