Primary sources for identifying family outcomes includes guidance from the ECO Center, and multiple states such as Kansas Family-Centered Rating Scale, Florida’s work with Rasch modeling (Dr. Elbaum); OSEP Focus Group results of Nine Family Outcome Systems; NEILS study published findings Based on Evidence statements: The percentage of families that report that early intervention services have increased their capacity to enhance their child’s development will increase.

Initial sample size of 1,000 selected families will be chosen to ensure at least a 30% response rate; or 300 questionnaires per state. Similar protocol by PRAMS (CDC) for administration  58% response rate through 3 mailing cycles