I came back buzzing from ResearchEd Rugby – thank you to everyone I spoke with and all the presenters.
I wanted to write a quick summary of my talk, but Ian @teachingofscience has done it better: https://teachingofscience.wordpress.com/2018/06/12/redrugby-2-2/
Here are my slides.
Here is a booklet on the bar-model in science.
If you would like to contribute data to my small scale research, these are my algrbra/bar-model lessons:
PVPA non-bar-model electricity lesson
PVPA bar-model electricity lesson
and the follow up test:
Follow-up-test Ben_s Research Lesson_ the algebra way to teach Kirchoff_s 1st Law