Which term describes testing changes on a small scale before wider implementation in health care quality improvement?

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The idea being tested is using iterative, small-scale tests to learn what works before spreading a change widely. In health care quality improvement, Plan-Do-Study-Act cycles embody this approach. Plan specifies the change and expected impact and sets a small test. Do carries out the change on a limited scale. Study gathers data, analyzes results, and looks for unintended effects. Act uses what’s learned to decide whether to adopt the change, modify it, or abandon it, and then you begin another cycle or expand the rollout.

For example, you might pilot a new discharge checklist in one unit for a couple of weeks, measure readmission rates and user feedback, and then decide whether to expand the checklist hospital-wide or adjust it first. This approach minimizes risk by testing and learning in a controlled setting before broader implementation.

Other terms describe different activities: benchmarking involves comparing performance to external standards, a compliance audit checks adherence to rules, and root cause analysis investigates the underlying reasons for a problem.