Other studies on the modern Binet have correlated it with more established standardized intelligence tests such as the Wechsler Intelligence Scales (McCrowell & Nagle, 1994). In general, the conclusions have supported the results provided in the manual. A study comparing the modern Binet composite and the full-scale IQ of the WAIS-R for 15 adults found that the mean WAIS-R score was 13.8