Recent findings from a Mathematica study comparing the performance of teachers prepared via alternative and traditional routes have been interpreted to suggest that policymakers and practitioners should expand the use of fast-entry alternative routes and seek teachers trained through such programs, as they presumably perform as well in the…

Describes the problem of absence of evidence in historiography. Discusses the limits this lack of evidence poses for comparative studies by sociologists. Identifies steps in which events or evidence may be missed or passed over. Includes nonoccurrence, no surviving evidence, unlocated evidence, failure to note evidence, inaccurate criticism of…