In a multiple regression analysis with three or more predictors, every set of alternate weights belongs to an infinite class of "fungible weights" (Waller, Psychometrica, "in press") that yields identical "SSE" (sum of squared errors) and R[superscript 2] values. When the R[superscript 2] using the alternate weights is a fixed value, fungible…

The Graduate Record Examinations (GRE) Cooperative Validity Studies Project began in 1975 to fill the need for cooperation between graduate schools and testing agencies and for graduate level validity studies. More than 150 data sets from the 39 participating schools, representing over 19 fields of study, were analyzed. The data confirmed earlier…

The IADIS CELDA 2012 Conference intention was to address the main issues concerned with evolving learning processes and supporting pedagogies and applications in the digital age. There had been advances in both cognitive psychology and computing that have affected the educational arena. The convergence of these two disciplines is increasing at a…