Accuracy in measurement
Accuracy in measurement means the utility, interpretability, and generalization of treatment effects
From a psychometric standpoint, accuracy is related to the validity of a given measure. Convergent, predictive, concurrent, and known-groups validity coefficients can provide measures of validity when tested in a nomological or theoretical framework with similar instruments in the area of interest. Validity is established in a dynamic and ongoing process, just like accuracy.
Being able to generalize and infer measurements in published science to the immediate clinical environment is another aspect of accuracy. Outcomes that are measured for at the "gold standard" level provide the most accuracy for clinicians looking to integrate evidence. Accurate measurements that appear in the literature often should be replicated in other research studies.
The most synonymous words with accuracy are validity, interpretability, and generalizability.
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