Final answer:
The coach is using (B) affirmations to acknowledge the client's effort and success in reducing screen time, a technique that contributes to the client's goal of getting more and higher quality sleep.
Step-by-step explanation:
When the coach responds to the client's success in reducing screen time by acknowledging their hard work and success, the coach is affirming the client's effort and achievement. This is an essential aspect of effective coaching because it helps to build the client's self-efficacy and reinforces positive behaviors that contribute to reaching their goals.
In related subjects concerning health and wellness, setting goals that are measurable and achievable is crucial for tracking progress and ensuring that goals are realistic and within reach. Techniques like reducing screen time are often recommended by health professionals as a means to improve sleep quality. Factors like goal setting, affirmation, and understanding of psychosocial changes are important for personal development and can influence behaviors that affect health, such as sleep patterns.