This document discusses connecting critical reflection and group development in online adult education classrooms. It summarizes that critical reflection, using Brookfield's Critical Incident Questionnaire, can uncover reactions to the online environment and provide a framework for assessing group development based on Tuckman's model of forming, storming, norming, performing, and adjourning. The study explored this connection in two online graduate courses and found evidence that supported relating critical reflection to group development and its benefits for adult learning in online environments. Critical reflection is valuable for gaining instructor and learner feedback to improve instructional effectiveness.