1. Peter Airasian Kathleen Cruikshank Richard Mayer Paul Pintrich James Raths and Merlin Wittrock. 2000. A taxonomy for learning teaching and assessing: A revision of Bloom's taxonomy of educational objectives. Pearson. Peter Airasian Kathleen Cruikshank Richard Mayer Paul Pintrich James Raths and Merlin Wittrock. 2000. A taxonomy for learning teaching and assessing: A revision of Bloom's taxonomy of educational objectives. Pearson.
2. The design of motivational agents and avatars