Pratt's measure C on the class concentration of bibliometric distributions is calculated and interpreted for the laws of Zipf, Mandelbrot, and Lotka and geometric distribution, and comparisons are made of the results. An explicit mathematical formula which unifies disparate theories is derived and tested. (Author/CLB)

An analysis of national programs for monitoring student achievement in Australia, the United Kingdom, and the United States finds that "national assessment" promotes a view of "standards" which is narrow, limiting, and definitely not conducive to the emergence of flexible and imaginative educational policies designed to cope…