Hi David! Glad you asked. Since the early 2000s, Charles Graham at BYU has been studying blended teaching and learning in Higher Education. I am one of his doctoral students and we have been trying to connect the dots with K-12 blended learning and Higher Ed recently. Happy to connect with you and share what we've learned!
Specifically, you might be interested to see the diagram on page 7, and a paragraph on page 19 of this article: https://mvlri.org/wp-content/uploads/2017/11/k12-blended-teaching-readiness-phase-1-instrument-development.pdf
Do you have any questions about this? Feel free to contact me personally ([email protected])