Quality Assurance & Control
Quality assurance helps a company create products and services that meet the needs, expectations and requirements of customers.It yields high-quality product offerings that build trust and loyalty with customers.
Quality assurance utilizes of three methods:
● Failure testing, which continually tests a product to determine if it breaks or fails. For physical products that need to withstand stress, this could involve testing the product under heat, pressure or vibration. For software products, failure testing might involve placing the software under high usage or load conditions.
● Statistical process control (SPC), a methodology based on objective data and analysis and developed by Walter Shewhart at Western Electric Company and Bell Telephone Laboratories in the 1920's and 1930's. This methodology uses statistical methods to manage and control the production of products.
● Total quality management (TQM), which applies quantitative methods as the basis for continuous improvement. TQM relies on facts, data and analysis to support product planning and performance reviews.