With a somewhat different emphasis from Types I and II, this additional form of error has been suggested and consists in producing right answers to wrong questions, especially when the answer is limited because the scientific methods chosen to answer the question are not well-suited. For example, one might ask the question, 'What causes this disease?' but the research actually addresses a (significantly more limited) question, 'Why is the prevalence of this disease higher in group A than in group B?' There are also other usages, such as inappropriate choice of alternative hypotheses when testing a particular one, but health economists are probably most likely to come across this one.
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