A self-published show-and-tell video is an author-created presentation to augment the methods section in a specific published paper.
In this case the show-and-tell is for the peer-reviewed paper:
CLELAND, J and SCOBBIE J.M. (2021) "The Dorsal Differentiation of Velar From Alveolar Stops in Typically Developing Children and Children With Persistent Velar Fronting". Journal of Speech, Language and Hearing Research.
https://pubs.asha.org/doi/10.1044/2020_JSLHR-20-00373
In this case the show-and-tell is for the peer-reviewed paper:
CLELAND, J and SCOBBIE J.M. (2021) "The Dorsal Differentiation of Velar From Alveolar Stops in Typically Developing Children and Children With Persistent Velar Fronting". Journal of Speech, Language and Hearing Research.
https://pubs.asha.org/doi/10.1044/2020_JSLHR-20-00373