[an error occurred while processing this directive] 

IGDI Technical Specifications

Use the following links to learn about the technical specifications for specific infant/toddler IGDI assessments (e.g., reliability, validity, growth curves, etc.) For more comprehensive information about each IGDI, review our IGDI Descriptions page.

• Communication (ECI)
• Movement (EMI)
• Social (ESI)
• Problem Solving (EPSI)
• Parent-Child Interaction (IPCI)