OER Knowledge CloudJournal ArticleKe, FengfengDrawing on the Community of Inquiry model (Garrison, Anderson, & Archer, 2000), this mixed-method case study examined the nature and interactions of teaching, cognitive, and social presence created by online instructors and adult students in diverse course contexts. The study results indicated online instructional design and teaching elements that are crucial prerequisites for a successful online higher educational experience for adult students. The study also informed e-learning designers on the relations between online teaching, cognitive, and social presence.2010EnglishComputers & Education552808-820United States10.1016/j.compedu.2010.03.013yesonline learningadult studentscommunity of inquirydeep learningcontent analysisUnited States, North America