>...Psychologist J. Philippe Rushton of the University of Western Ontario says the research was prompted by earlier studies in Britain and Denmark that reported a 4- to 5-point IQ advantage for men, based on assessments of general intelligence. "My colleague, Douglas Jackson, and I decided that we really needed to confirm [the findings of] these other two psychologists, and we confirmed them," he said....
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>http://cosmiclog.msnbc.msn.com/archive/2006/09/07/3075.aspx?Ajax_CallBack=true
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>hehe. I knew that already...

Humm, perhaps the test was designed by men, and focussed on male qualities?

From the link you provided: "Past studies have tended to declare the gender intelligence contest a virtual tie, with men rating higher in spatial ability (for example, reading a map) and women having an edge in verbal ability (using a varied vocabulary)."

It should be noted that "intelligence" is considered to consist of a large amount of individual components, and it is difficult to get an exact definition of what "intelligence" really is.

As a Bahá'í, I tend to distrust any claim that men (or women) are superior - but it is becoming increasingly clear that some differences do exist. (No differences that make one gender superior to the other, just different strenghts in each case.)