More variables please (with sprinkles on top)

As part of my postgraduate Psychology course, I had to take a course called Multivariate Data Analysis.

As part of my postgraduate Psychology course, I had to take a course called Multivariate Data Analysis.
I've got a broad collection of items this week. I start off looking at the recent spat between a couple of prominent alleged psychic mediums and their tours around New Zealand.
An article by Gordon Hewitt in NZ Skeptic 47 states, "In June 1995...an article appeared in this publication saying counselling was no use. This judgement was based on a single study conducted in 1939." This is not true, but as the author of the article I am obviously biased. May I urge all skeptics to read it for themselves?
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