Outcome measures can be used to track progress over which aspect of practice?

Outcome measures are critical tools designed to evaluate the effectiveness of services delivered and the impact they have on clients. By focusing on client outcomes and service effectiveness, these measures help practitioners assess whether interventions are achieving their intended goals, such as improving a client's health, wellbeing, or skills.

Using outcome measures allows organizations and practitioners to track changes over time, enabling them to make informed decisions about treatment plans and service adjustments based on what has been effective. This focus on client-centric outcomes reflects a commitment to quality improvement and evidence-informed practice, ensuring that services are responsive to the needs of those receiving them.

In contrast, the other options—market competition, employee turnover, and cost efficiency—while important aspects of organizational performance, do not directly pertain to the measurement of service effectiveness or the outcomes experienced by clients. These facets focus on different operational areas of a business or organization rather than the direct effects of services provided to clients. Therefore, the emphasis on client outcomes and service effectiveness in the correct answer aligns with the primary purpose of using outcome measures in practice.