Which assessment tool is essential for determining the readiness of a client for treatment?

The screening questionnaire is essential for determining a client's readiness for treatment because it serves as a preliminary assessment tool designed to gauge a client's substance use patterns and the impact these patterns have on their life. This type of questionnaire can help identify indicators of addiction or substance abuse and the client's willingness to engage in treatment. It provides critical insights into the severity of the client's substance use, which can inform the next steps in the treatment process.

By assessing readiness, counselors can tailor their approach based on the client’s current state, allowing for more effective engagement and intervention strategies. This can include identifying motivational factors, understanding ambivalence about treatment, and fostering a sense of commitment to change. The screening questionnaire is typically straightforward and quick to administer, making it a practical choice for initial assessments in various settings.