Home >> Science >> Reference >> Standards >> Quality


  ISO 9000
       


Quality refers to the inherent or even even distinctive characteristics or properties of the human, object, process or even more thing. Such characteristics or even even even even even properties will placed the human or tool apart from either more souls or items, or can denote a bit of degree of accomplishment or excellence. Whilst utilized within relation to humans, the term will likewise signify a individual character or trait.

A term is periodically contrasted using a conception of quantity. Within science, the function of Aristotle focused on with measurements of quality, whereas a function of Galileo resulted in a shift towards the learn of quantity.

In manufacturing

Within manufacturing, "quality" means on target by having minimal variation. Numerous different techniques & conception develop been tried to minimize defects within products, including SPC, Zero Defects, Six Sigma, quality circles, TQM and continuous improvement.

Virtually all a single techniques & construct come controversial to one degree or even a second, since there are deuce opposing schools of thought by having regard to quality. the single school subscribes to a technical indicator approach to quality, with measurements of variation and so ingesting corrective action. the other school subscribes to a more organic approach, arguing that 1 should "design in quality" like than trying to "test in quality".

Historical development of the concept

A meaning for the term quality has developed above period. 5 distinctive interpretations:

  • "Conformance to specifications" (Phil Crosby in the 1980s). A difficulty by having this is that a specifications might not exist as what a customer wants; Crosby treats this as a separate problem.
  • "Fitness for use" (Joseph M. Juran). Fitness is defined per client.
  • The 2-planar model of quality (Noriaki Kano and others). A quality has 2 dimensions: "must-be quality" & "attractive quality". A previous is nigh to the "fitness for use" & a latter is what a client would love, however has non eventually thought astir. Supporters characterise this model further compactly when: "Products and services that meet or exceed customers' expectations". 1 writer believes (while forgoing citation) that this is in todays world a virtually all utilized interpretation for the term quality.
  • "Value to some person" (Gerald M. Weinberg)
  • (W. Edwards Deming), "Quality is pride of workmanship." See http://www.deming.org/

    In music
    Within music quality refers primarily to the timbre, but likewise dynamics and musical texture, of a division or even piece.

    In phonetics
    Within phonetics quality refers to the articulatory features that distinguish vowels and to their acoustic correspondent. Vowel quality is opposed to vowel quantity.

    • Software process improvement and related standards/models
    Discover which "software process improvement" standard/model to apply, when. Related national and international guidelines are also identified. - by consultants Tantara Management Services
    Business: Business Services: Quality Control and Tracking: Standards
    Business: Industrial Goods and Services: Calibration and Testing
    Science: Technology: Quality Engineering




    © 2005 GeneralAnswers.org