Definition: Process variable

Category: Quality, Documentation, Measurement

Process variable gives an indication of the quality of the process.

Key process variables are those factors that can vary with each repetition of the process and have the largest effect on critical product characteristics, i.e. those characteristics that best indicate the quality of the product. https://ec.europa.eu/eurostat/documents/64157/4373903/06-Handbook-on-improving-quality-by-analysis-of-process-variables.pdf