Response to intervention (RTI) arose, in part, from the limited success of the pre-referral process, an approach advocated in the 1980s and 1990s, and accurately measuring the discrepancy between aptitude and achievement in young children. Reflecting these concerns, when the Individuals with Disabilities Education Act (IDEA) was reauthorized in…

This content analysis of 39 state definitions of "developmentally delayed infants and toddlers" for Part H of Public Law 99-457 focused on types of children, conditions listed as established conditions, criteria used to determine delay, and criteria delineated for "at risk" status. The analysis found some type of problem in…

This survey sought to identify the status of state policies on Individual Family Service Plans (IFSP) required by Public Law 99-457. The survey found that every state plans to develop or review IFSP policies, even the three states who said they had existing policies which they thought might currently meet the Part H requirements on service…

A survey was conducted to determine states' progress towards developing a definition for developmentally delayed infants and toddlers as required by Public Law 99-457, Part H. Results of the survey, conducted in the summer of 1988, indicated that many states had made a great deal of progress toward developing a policy regarding the definition of…