“…Further, LENA output is limited by the detection of utterances, not actual words, grammatical morphemes, or sentences. Such language outputs are important for better understanding the challenges and heterogeneity in children and adolescents with ASD [Wittke, Mastergeorge, Ozonoff, Rogers, & Naigles, ]. Automatic speech recognition technology is advancing rapidly, but, as suggested by the findings reported here, any new system made available on the market for use in research or in clinical practice should be thoroughly tested on a variety of populations and contexts, to ensure that the tools reliably capture the communication profiles and language environments of the targeted individuals.…”