Technology acceptance is an idea that has recurred in this blog, and with good reason. I have used it as a guiding principle in the design of instructional technology for more than a decade. Specific posts where it is featured are:
A colleague who was using the resources linked in the “Measuring Technology Acceptance” post linked above, made a few recommendations that she contented would make the materials more useful and “2019-friendly,” so I took her advice and have repackage the materials. You can find the new version at Measuring Technology Acceptance in K-12 Educators: Adapting an Instrument.