色盒直播

In brief

May 17, 2002

The irresponsible representation of IQ tests as "scientific" on the BBC's Test the Nation raises serious professional and ethical issues (Features, 色盒直播S, May 10). The measurement of "intelligence" by a single number called IQ has been largely discredited, and comparisons using tiny differences are meaningless. The show did participants a grave, and potentially damaging, disservice by encouraging such comparisons.

Len Fisher

Honorary research fellow in physics

Bristol University

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