I use the ACT matrix a lot in my workshops and with my coaching clients… and on myself! It is a tool that helps to build mindfulness, self-awareness and valued living. It is based on contextual behavioural science and is very easy to use.
I have made a video explaining how I use it:
You can download a pdf handout of the ACT Matrix here.
Kevin Polk (who is one of the people who developed the ACT matrix) has lots of free resources relating to the ACT matrix at his website.