| Sumario: | A review of recent applied research in observation suggests researchers could profit from a new account of observational learning. Current research in the identification and establishment of verbal developmental cusps demonstrates the importance of the range of observational cusps necessary for the acquisition of language. These cusps encompass learning through imitation, duplication of outcomes, understanding consequences of observed behaviors, acquiring new reinforcers, incidental unidirectional and bidirectional naming, and more. This account offers solutions to bridge gaps in the literature and complements related research, providing a comprehensive understanding of observational learning processes. This updated account of observational learning is especially relevant when we consider its implications for human language acquisition. In this article, we emphasize that language acquisition is not solely an individual cognitive development, but a socially mediated process, where observation plays a fundamental role in linguistic growth and development.
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