Introductory? just a few articles on dev.to. Link to one article, you'll find the others in my profile: https://dev.to/yannick555/novel-contributions-of-the-indepen...
You might want to read "Chapter 8. Applying IVP: A Practical Framework" of the long-form paper.
It's difficult to have introductory stuff right now, I've only recently started publishing about it, and I've been busy with the very formal ICSA paper.
Nevertheless, I plan to publish a web site which would serve as the knowledge base about IVP in a near future (few weeks time).
There's actually so much to say about it, and I'm having new ideas every day... Latest one: use IVP to compare open-source software with proprietary software under the lens of their change drivers in various contexts.