How do we know what works in medical informatics?

In the context of all the hubbub around the monies for health care information technology in the stimulus package, how are we going to know whether we will be have any lasting value from this investment?

This reminded me to peruse again the best resource on how to think about evaluation: Friedman and Wyatt's book on the topic "Evaluation Methods in Biomedical Informatics". Particularly useful is the chapter that describes approaches to evaluating systems when the conventional outcome metrics are either unavailable, premature, or inappropriate. Given that Chuck is in the Office of the National Coordinator for Health Information Technology, it's not unreasonable to suppose that some thought will be given to selecting those proposals for the stimulus that include worthy evaluations.

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