The following lengthy article is best viewed as a pdf file due to the fact that some formatting was lost, as well as a few characters, when converting the original Word file into an html file. The pdf format preserves the format and text of the original file exactly.
A Multiple Case Study of Novice and Expert Problem Solving in Kinematics (html file)
A Multiple Case Study of Novice and Expert Problem Solving in Kinematics (pdf file)
Below are a few extra items that might be helpful in getting students to understand what is going on inside the "black box" mentioned in the above article. Both are pdf files.