Categorized by Corey and Corey as T-groups, therapeutic groups include encounter, awareness, self-help, and leaderless groups as well as consciousness raising, sensitivity training, and personal growth groups.

1. T-groups - emphasizing feedback, problem-solving, and decision-making, T-groups aim to improve organizational relationship skills by focusing on the group process.

2. Personal growth and encounter groups - typically meeting for a set time, these groups encourage risk taking for personal growth and development.