Governments and clinical providers are investing billions of dollars in health information technologies. This is being done with the expectation that HIT adoption will translate into healthier patients experiencing better care at lower cost. As the first wave of adoption comes to an end, stakeholders are ready to evaluate the results of their investment and make decisions about future directions. As a result, structured evaluations of a projects impact are an essential element of the justification for investment in HIT. This book provides an easy-to-read reference outlining the basic concepts, theory, and methods required to perform a systematic evaluation of HIT.