The Toddler Autism Symptom Inventory (TASI) is a semi-structured interview designed for use in developmental evaluations of children age 12-36 months. The TASI interview should be used in conjunction with other sources of information, including direct observation and a thorough developmental history.
The TASI interview, manual, and scoring tool can be downloaded here for free. These documents are copyrighted; reproduction, modification, or revisions of these materials is not permitted without a written agreement with the authors. The TASI authors can be reached at TASIinterview@gmail.com