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Letters to the Editor
January 1999

Methodological Pitfalls in Evaluating Clinical Tests—Reply

Arch Neurol. 1999;56(1):123-124. doi:

In reply

We appreciate that Mackinnon and Mulligan find the design of the 7 Minute Screen1 "rational" and with "many advantages over currently widely used tests." However, we take issue with the criticisms they raise.

First, Mackinnon and Mulligan suggest that we portray our screening instrument as being diagnostic. They state " . . . we are concerned at the description of the test as being diagnostic." To the contrary, we were clear in the article and in other publications that this is a screening instrument and should not be used to make a diagnosis of Alzheimer disease (AD) or other dementias. We state,

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