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Cognitive styles and distance education. (PDF)
Liu, Y., & Ginther, D. | (November 1999) | The Journal of Distance Learning Administration, 2(3), Article 005
This article discussed how the design and delivery of distance learning, especially e-learning, should be based on students' cognitive styles including field dependence versus independence, holistic-analytic, sensory preference, hemispheric preferences, and Kolb's Learning Style Model. Approximate 7650 words.

Managing impression formation in computer-mediated communication. (PDF)
Liu, Y., & Ginther, D. | (2001) | EDUCAUSE Quarterly, 24(3), 50-54
This paper reviews the knowledge base for verbal and nonverbal factors affecting impression formation in both face-to-face (FtF) and CMC environments. Then the authors proposed various instructional verbal and non-verbal strategies for achieving effective communication and a positive impression in Web-based courses. Approximate 3050 words.

Improving online interactivity and learning: A constructivist approach.
Liu, Y. | (2003b) | Academic Exchange Quarterly, 7(1), 174-178
This article discusses how the author used the constructivist theory to teach the online graduate educational research course. Specific strategies included but were not limited to (a) individual weekly essay assignments/peer evaluations and (b) group projects, discussions, and collaborations via the bulletin board on WebCT. Approximate 3000 words.