Welch and Black listed criteria for evaluating the report of a randomized trial for a screening test. These questions can help determine if the screening test will be effective if transported a different practice setting. The authors the Veterans Affairs Medical Center in White River Junction, Vermont, and Dartmouth Medical School.


Questions to be answered: 14


Responses are yes or no, which are graded 0 or 1 respectively.


total number of potential problems =

= SUM(points for all 14 questions)


If a possible problem is identified, then an evaluation of the problem should be conducted before deciding on whether to introduce the test. The evaluation might include:

(1) contacting the authors

(2) comparing the results from other studies

(3) performing a new study.


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