"Linking" is a term given to a general class of procedures by which one represents scores X on one test or measure in terms of scores Y on another test or measure. A recent taxonomy by Holland and Dorans (2006; Holland, 2007) organizes the various types of links into three broad categories: prediction, scale aligning, and equating. In…

This article presents the author's comments on Simon and Lichten's "Defining Mental Retardation: A Matter of Life and Death." Lichten and Simon (2007) argued for the use of a Total Quotient (TQ) that combines existing IQ and adaptive functioning scores into a single index. They proposed that the TQ index will improve the accuracy of mental…

Much research and many publications have dealt with the concepts of rural-urban differences, but the controversy regarding the conceptual clarity of the variables remains. Assuming that these variables need clarification, this paper: (1) examines some of the conceptual and methodological problems involved in rural-urban differentiation, (2)…

The traditional dichotomies of urban and rural may no longer be valid. Investigating whether or not there are socially significant areal units to redefine rural and urban areas, the report described one attempt to delineate such units and to test them for sociological utility. Counties were placed in homogeneous social units based upon the…