Self-referential Activity
A great example of Self-referential Activity is making internal tools that will change the whole Activity because the internal tools are mediation.
Diagrams
The Activity Circle (Oliver Ding, 2017)
The Activity Circle focuses on “Self, Other, Thing, and Think”. It is perfect for discussing a special object which has double properties: material property and mental property.
ARCH: A Visual Language of Interpersonal Interactions and Collaborative Project Engagement
The ARCH Visual Language for Collaborative Project Engagement and Intersubjective Design
The ARCH of Synergy Effects
We can also apply the ARCH model to discuss Synergy Effects between knowledge centers. Also, we can use Thematic Landscape Map to discover Synergy Effects.