Which of the following therapists is most likely to effectively engage clients in collaborative treatment planning to address problematic or disordered substance use? 1. Those who are careful not to assert a format and decline to offer suggestions or interrupt a client
2. Those who offer numerous goals, objectives, and methods that have worked with other clients without unnecessary input or feedback from the current client
3. Those who develop self-knowledge and utilize professional consultation as needed to employ flexible structure in planning with clients
4. All of the above are likely to be equally effective strategies.