*SEM is the Standard Error of Measurement that reflects the inherent error that is a part of any testing process. Each
SEM provided is based upon a large sample of test takers. Subtracting the SEM from your score twice to obtain a
minimum and then adding the SEM to your score twice to obtain a maximum will provide a range of scores. If you were
to take any number of tests equivalent to the one you have just completed, your score would fall within this range with a
statistical confidence level of 95%.
For example, if the given SEM for a score was 2.5, and the achieved score was 150, then 150 minus 5 equals 145 and 150
plus 5 equals 155 (where 5 is equal to 2.5 times 2). This means that 95% of the time if you took a test that was equivalent
to the test that you just took you would score within the range of 145 to 155.
To compare your score with the current national comparative data, go to the MFT Comparative Data Guide on the web
at www.ets.org/hea/mft/compare.html.
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