The myth that gifted children constitute 3% to 5% of the school population was addressed in the 1982 issue of the "Gifted Child Quarterly" by Joe Renzulli, a fact that is more than a little intimidating to one charged with addressing the same myth 27 years later. In his 1982 article, Renzulli interpreted the 3% to 5% myth as an implicit…

One promising application of diagnostic classification models (DCM) is in the area of cognitive diagnostic assessment in education. However, the successful application of DCM in educational testing will likely come with a price--and this price may be in the form of new test development procedures and practices required to yield data that satisfy…

Advances have been made in testing optometrists' clinical skills, particularly with the use of simulation techniques. Further research into these techniques will probably receive the most attention, although a shift in research emphasis from correlational studies of test validity and reliability to test development studies is needed. (MSE)