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Kupferman.com is maintained by Mark Kupferman of Orlando, Florida (USA) and features reviews, news and trends in marketing research technology as well as other topics and subjects that interest Mark.
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Recent Posts

My Top 5 Free SPSS Help Web Sites
I spend a lot of time working in SPSS, and occasionally I need answers about various techniques and methods that aren’t readily available in the included documentation. Fortunately, there is a tremendous amount of free SPSS information and training materials scattered all over the web. Here are a few of my favorites. Continue reading →