Overview of study

1. Interviews (Spring 2003, N = 4)

• Three 1-hour-long interviews per student

• work on computer programs

• Think-aloud protocols

• If stuck, could ask questions, or look at VPython syntax for help

2. Materials development

3. Interviews (Fall 2003, N = 5)

• Same interview format as Spring 2003

4. Verbal Analysis