Final answer:
Dr. Houltin is practicing group therapy, as it involves clients sharing information and providing feedback to each other, with the goal of facilitating individual growth through group dynamics.
Step-by-step explanation:
Based on the description given in the question, Dr. Houltin is practicing group therapy. This form of therapy emphasizes the importance of clients sharing information and providing feedback to one another. This approach aligns with the principles of therapeutic settings where the collective participation of clients contributes to individual growth and understanding through peer interaction. Notably, group therapy can encompass various theoretical orientations, but the fundamental aspect here is that healing and personal development are facilitated through group dynamics and the shared experiences of the participants.