I am reminded of a quotation from the first chapter [0] of McLuhan's "Understanding Media": "It is in our I.Q. testing that we have produced the greatest flood

I am reminded of a quotation from the first chapter [0] of McLuhan's "Understanding Media": "It is in our I.Q. testing that we have produced the greatest flood of misbegotten standards. Unaware of our typographic cultural bias, our testers assume that uniform and continuous habits are a sign of intelligence, thus eliminating the ear man and the tactile man." If IQ tests make tacit assumptions of this kind, could the shift in the dominant media forms be playing a role? [0] http://web.mit.edu/allanmc/www/mcluhan.mediummessage.pdf http://web.mit.edu/allanmc/www/mcluhan.mediummessage.pdf