Martin Decides to Take a Physics Class, Even Though He

Martin decides to take a physics class, even though he has a very weak science background. While he is looking forward to the experience, he is also a little nervous. Martin's friend Toshio remarks "Man, you're crazy! I'd never take that class because I'd fail!" According to Atkinson, Martin and Toshio differ in their

A) level of interest.
B) self-concept.
C) need for achievement.
D) attribution patterns.