Each document below delineates the research that anchors the developmental progressions for the measures in each DRDP (2015) domain. Each document includes:

• 1-2 opening paragraphs that describe the measures within the domain
• 1-2 paragraphs per measure that articulate the research base for the developmental progression

ATL-REG Research Summary

SED Research Summary

LLD Research Summary

ELD Research Summary

COG Research Summary

PD-HLTH Research Summary

HSS Research Summary

VPA Research Summary