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The PDSA Cycle - Safety Net Institute

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Principles for Testing a Change<br />

• Principle 1: Build knowledge sequentially<br />

– Test on a small scale<br />

– Use multiple cycles<br />

• Principle 2: Increase the ability to predict<br />

from the results of the test<br />

– Collect data over time<br />

– Test under a wide range of conditions

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