Investigated the criterion-related validity of the Minnesota Child Development Inventory (MCDI) for 30-month-old children (N=122). Results showed that MCDI scales correlated with cognitive but not motor development as measured by the McCarthy scales. The MCDI accurately identified children performing below normal in general cognitive development.…

Examined and compared the validity of Friedman's Developmental Level (DL) and Exner's Developmental Quality (DQ) as measures of cognitive development in children (N=134). Results supported the convergent and discriminant validity of both DL and DQ. The DL and DQ were most strongly related to different types of cognitive ability. (JAC)