rguments. Based upon Gould's (1981) history of early pseudoscientific attempts to stratify man's mental abilities, it is apparent that whenever the psychometrician crosses over into realm of biology, he or she enters a territory best left to the physical scientists. Psychometricians are social, rather than physical, scientists, and they should not presume that psychometrics provides an objective means of measuring anything genetic.
In his excellent The IQ Game, Howard F. Taylor (1980) points to Boring's (1923) stark extreme operationism--"that intelligence is what an intelligence test measures" (p. 215). Taylor (1980) notes that neither he, nor his colleagues, want to be accused of dismissing intelligence in such a trivial manner, yet at the same time, he observes that "a construct (concept?) for which IQ score is an "index" must be included in one's model" (p. 215). He goes on to state, "It is extremely clear that IQ is intended in all formulations of the IQ heritability literature, whether explicitly or not, to serve as an indicator or index of some
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