Early childhood educators play a critical role in preparing students for success later in their school experience. The instructional techniques, emotional supports, and assessment approaches for early childhood settings are different from classroom settings in later grades. How can states and districts develop evaluation systems that are tuned to…

Simulated data were used to demonstrate that groups formed by imposing cut-points based on either discrepancy or low-achievement definitions of learning disabilities (LD) are unstable over time. Similar problems were demonstrated in longitudinal data from the Connecticut Longitudinal Study, where 39% of the children designated as having LD in…