Infant Developmental Scales Such as the Bayley Scales Have Been

Infant developmental scales such as the Bayley Scales have been found to be

A) poor predictors of later IQ because IQ is an unstable attribute.
B) good predictors of later IQ because intelligence is so highly canalized.
C) good predictors of later IQ because intelligence is such a stable attribute.
D) poor predictors of later IQ, probably because infant tests and later IQ tests tap different abilities.