![]() ![]() The theory that the race differences in intelligence are to a significant extent genetically based fulfills Popper`s criteria for a strong theory. ![]() For the problem of race differences in intelligence, the theory that these have some genetic basis explains all the numerous phenomena set out in the points listed above, and there are no serious anomalies. If the predictions are disconfirmed the theory is weakened and may even be destroyed, although a single disconfirmation can generally be explained or the theory can be modified to account for it. A strong theory has few assumptions and generates a large number of predictions that are empirically verified. This states that a scientific theory generates predictions that are subjected to empirical testing. A horrible book for people who are emotionally convinced that there are no genetic basis for racial differences in intelligence as ”the consistency of all the racial differences in so many different nations, in the development of early and later civilizations, and the high heritability of intelligence wherever it has been investigated, all need to be considered in terms of Popper`s (1995) theory of the logic of scientific explanations. ![]()
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