Final answer:
A CTRS should include the statement 'The client was able to identify three current life stressors' when documenting a client's performance during a stress management group in a progress note. This statement demonstrates the client's understanding and awareness of their stressors.
Step-by-step explanation:
When documenting a client's performance during a stress management group in a progress note, a CTRS should include the statement: The client was able to identify three current life stressors. This statement indicates that the client exhibited understanding and awareness of their stressors, which is a key aspect of stress management. It shows that the client actively participated in the group and engaged in the process of identifying and addressing their stress.