Application of the Occupational Analysis of Computational Thinking-Enabled STEM Professionals as a Program Assessment Tool (2012) Journal of Computational Science Education (2012)
Computational Thinking for Youth in Action (2011) This is an early paper of Computational Thinking that has a lot of traction. It's where we first describe the Use-Modify-Create trajectory.
What's Represented? These exercises ask the learner to identify abstractions in the computer model as compared to a diagram or image of a natural phenomenon.