Answer: 1. intrinsic 2. extrinsic 3. intrinsic Explanation: intrinsic motivation comes from within. In 1 & 3, the students motivated themself to feel good about something. no one told them to do anything, they were driven for that feeling
extrinsic motivation comes from outside of yourself. student 2 had an extrinsic motivation, since the teacher was giving extra credit to make them do their work. student 2 (probably) wouldn't do much of the homework if it wasn't for the extra credit. in student 2's situation, he was motivated from his teacher.
