Question 2

Explanation

KPI Signals issues ’anti-signals’ to indicate long-term stability.

Use ’anti-signals’ to make decisions based on the knowledge that your workflow is statistically stable over the long term.

For example, use this information to plan improvement initiatives.

When KPI Signals detects abnormal variation in the scores of a KPI, it generates a signal.

When KPI Signals does not detect abnormal variation for a significant amount of time, it generates an ’anti-signals’.

The anti-signal lets you know that your workflow is under control.

Both the presence and absence of signals convey information:

   * The presence of signals lets you know that a workflow has changed or at least is not statistically stable.

   * The long-term absence of signals indicates that a workflow is statistically stable. With this information, you can decide to launch a process improvement initiative, for example.

Screenshot 1: Example of a Signal

Screenshot 2: Example of an Anti-signal

Screenshot 3: Example of No signal

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