1. Ali, N., Bantz, D., & Siktberg, L. (2005). Validation of critical thinking skills in online responses. Journal of Nursing Education, 44(2), 90–94.
2. Andrews, S., Giese, J., & Boush, D. (2010). Feeling, thinking, and differential decision making under risk. Advances in Consumer Research, 37, 465–466.
3. Arend, B. (2007). Course assessment practices and student learning strategies in online courses. Journal of Asynchronous Learning Networks, 11(4), 3–17.
4. Berzins, M., & Sofo, F. (2008). Developing critical thinking skills in first year Australian university students. Journal of Learning, 15(1), 261–272.
5. Bishop, C., & Foster, C. (2011). Thinking styles: Maximizing online supported learning. Journal of Educational Computing Research, 44(2), 121–139. doi: 10.2190/EC.44.2.a .