Multivariate analysis of variance (MANOVA) is widely used in educational research to compare means on multiple dependent variables across groups. Researchers faced with the problem of missing data often use multiple imputation of values in place of the missing observations. This study compares the performance of 2 methods for combining p values in…

The development and standardization of the third edition of the Wechsler Intelligence Scale for Children-Revised (WISC-R) are described. The existence of documented historical trends was a significant factor in the project to revise the WISC-R, which is the most widely used intelligence battery in North America. Development of the third edition…