|Middle Ages (1200–۱۷۹۹)||Guilds-skilled craftsman were responsible to control their own products.|
|Mid-18th century||Establishment of factories. Increase in productivity.Mass production. Assembly lines. Several workers were responsible for producing a product.|
Production by skilled workers and quality audit by inspectors.
|Early 19th century||Craftsmanship model of production.|
|Late 19th century|
Fredrick Taylor and “Scientific Management.”
Quality management through inspection
|Beginning of 20th century|
Walter Shewhart introduced Statistical Process Control. Introduction of full-time quality inspection and quality control department. Quality management.
|۱۹۳۰s||Introduction of sampling method.|
|۱۹۵۰s||Introduction of Statistical Quality Process in Japan.|
|Late 1960s||Introduction of QA.|
Total Quality Control.
|Beginning of 21st century|
Integrated Quality Management (IQM).
نگاه شما به کیفیت مربوط به چه قرن یا دهه ای است؟
Abdul Razzak Rumane; 2010; Quality Management in Construction Projects; CRC Press