AAOM Handbook

MP.17 Validate and test the measurement system

Context

Any system that is used to decide on making process changes will require approval for use. The measurement system feeds data to control charts and capability histograms which are used to make the decision to intervene in a process or not. These decisions can potentially have negative effects on meeting our business objectives and so should not be made lightly. It is of paramount importance that the data used for analysis should have a high degree of integrity.

Purpose

To validate that the measurement system is producing reliable data for assessing process performance.

Quantity

One decision that a reliable measurement systems has been delivered.

Quality

An examination of the control charts and capability histograms for the process measures produced by the measurement system should indicate the integrity of the data. The integrity of the individual components of the measurement system can be checked prior to approval being granted.

Resources

This task is completed by the manager responsible for the process.

Time The task should be completed after the measurement system has been developed and tested.