Explain the difference between parallel, cooperative, and mature group development models and provide an example for each.

• A. Parallel: members work independently but in a shared space; Cooperative: members work together on joint tasks with some collaboration; Mature: high interdependence and cohesion; examples: parallel—kids playing side-by-side; cooperative—group project; mature—long-term support group with integrated functioning.
• B. Parallel: members work independently but in a shared space; Cooperative: members work together on joint tasks with some collaboration; Mature: high interdependence and cohesion; examples: parallel—kids playing side-by-side; cooperative—group project; mature—long-term support group with integrated functioning.
• C. Parallel: all members do the same task in isolation; Cooperative: members work together on shared tasks with full dependency; Mature: non-interacting individuals.
• D. Parallel: kids sharing a room; Cooperative: group project; Mature: long-term support group.

Answer: (B)