This book draws on the author s experience in conducting pragmatic test accuracy studies on screening instruments for dementia/mild cognitive impairment. To facilitate comprehension and assimilation, all data is presented in an easily accessible, succinct and user-friendly way by means of a structured tabular format that allows tests to be easily compared. The pragmatic design of studies ensures high external validity and generalizability for the test results. The book includes a wealth of data on previously presented studies, as well as hitherto unreported test measures ( Number needed metrics).