Two methods of constructing equal-interval scales for educational achievement are discussed: Thurstone's absolute scaling method and Item Response Theory (IRT). Alternative criteria for choosing a ...
Background: Clinical trials are commonly done without blinded outcome assessors despite the risk of bias. We wanted to evaluate the effect of nonblinded outcome assessment on estimated effects in ...
10 Department of Sport and Sport Science, University of Freiburg, Freiburg, Germany Correspondence to Korakakis Vasileios, Department of Physical Education & Sport Science, University of Thessaly, ...
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