Quality assurance and quality control are ways of ensuring the quality of a service or product. Learn the definitions and differences at ASQ.

Start your quality journey by mastering the 7 Basic Tools of Quality at the world’s largest society for quality, ASQ.org.

Quality management systems (QMS) play an important role in the continuing improvement of organizations. Learn the history and benefits of QMS at ASQ.org.

Quality professionals need a handy reference of quality terms, acronyms, key people, and definitions. Browse the updated ASQ Quality Glossary here.

Level two quality products and services need only satisfy customer expectations. The authors discuss the philosophies of eight quality experts - Crosby, Deming, Feigenbaum, Ishikawa, Juran, Pirsig, Shewhart, and Taguchi - each of whose definition of quality is presented in sidebar articles.

American Society for Quality’s (ASQ) Quality Resources is your one-stop online library of information related to quality. Access more than 75 years’ worth of content for all experience …

Have a Standards Question? Ask the Experts! Submit your technical questions about an international or American national standard to our panel of seasoned quality professionals.

Explore the concepts, tools, applications, and technical terms that make up the world of quality. For more definitions, browse the online glossary of quality terms, acronyms, and key people in the history of quality.

Your Gateway to Growth in the Quality Profession. For just $185 annually, ASQ Individual Membership gives you the tools to grow your skills, expand your network, and make a greater impact in your career.

Comparing Acceptance Sampling Standards, Part I (Quality Engineering) In this first part of a two-part series, common attribute sampling standards are discussed and compared.