A comparison of expert and non-expert views

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Though some commentaries give the impression of controversy regarding the importance of cognitive abilities and the validity of ability testing, the results of this survey clearly demonstrate that there are areas of resounding consensus among experts. Our results indicate that there is consensus among experts in the science of mental abilities that g is an important, non-trivial determinant (or at least predictor) of important real world outcomes for which there is no substitute, and that tests of g are valid and generally free from racial bias.