<b>University Students' Interactions with ChatGPT: An Investigation in terms of CoI, Motivation, and Learning Strategies </b>

The research aims to investigate the effects of ChatGPT in the context of the Community of Inquiry framework, Motivation, and Students’ learning strategies. In the study, there are two instructional methods. One group was included in open inquiry + lecturing, and the other was included in ChatGPT as a teaching assistant method. Both groups participated in a four-week instruction process consisting of two hours each. According to CoI index measurements, there is a significant difference in favor of males, but there is no differentiation in Motivation and Learning strategies measurements according to gender. There is a difference in favor of ChatGPT as a teaching assistant method regarding teaching presence, cognitive presence, and CoI index total score. There is a difference in favor of the ChatGPT as a teaching assistant method in terms of motivation. However, there is no differentiation in terms of learning strategies used by students.