The Effects of a Multitiered System of Language Support on Kindergarten Oral and Written Language: A Large-Scale Randomized Controlled Trial.
Douglas B PetersenMaureen StaskowskiTrina D SpencerMatthew E FosterMollie Paige BroughPublished in: Language, speech, and hearing services in schools (2021)
This effectiveness study demonstrated that MTSLS can lead to meaningful improvements in kindergarteners' oral and written language skills, even helping at-risk students catch up to high-achieving peers.