Graphical representations - Hair color

Information gathered from all test takers is analyzed and displayed in graphical format in order to facilitate comparisons between groups.

The results are based on all those people participating in the test at IQ Test Labs. There is a minimum sample size for all the variables represented here.

 
Brown haired men scored higher than their blonde and red haired counterparts. Black haired men scored lower than everyone else.

 
As with men, black haired women scored below the rest.

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IQ Test Labs 2015

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