
Quality refers to the inherent or distinctive characteristics or properties of a person, object, process or other thing. Such characteristics or properties may set a person or thing apart from other persons or things, or may denote some degree of achievement or excellence. When used in relation to people, the term may also signify a personal character or trait. The term is sometimes contrasted with the concept of quantity. In science, the work of Aristotle focused on measuring quality, whereas the work of Galileo Galilei resulted in a shift towards the study of quantity. ==In manufacturing== In manufacturing, quality is the concept of making products fit for a purpose and with the fewest defects. Many different techniques and concepts have been tried to minimize defects in products, including Zero Defects, Six Sigma, and the House of Quality. Most of these techniques and concepts are controversial to one degree or another, since there are two opposing schools of thought with regard to quality. One school subcribes to a statistics approach to quality, measuring defects and then taking corrective action. The other school subscribes to a more organic approach, arguing that one should "design in quality" rather than trying to "test in quality". ==Historical development of the concept== The meaning for the term quality has developed over time. Four distinctive interpretations: # "Conformance to specifications" (Phil Crosby in the 1980s). The difficulty with this is that the specifications may not be what the customer wants; Crosby treats this as a separate problem. # "Fitness for use" (Dr. Joseph Moses Juran). Fitness is defined by the customer. # A two-dimensional model of quality (Noriaki Kano and others). The quality has two dimensions: "must-be quality" and "attractive quality". The former is near to the "fitness for use" and the latter is what the customer would love, but has not yet thought about. Supporters characterise this model more succinctly as: "Product (business) and services that meet or exceed customers' expectations". One writer believes (without citation) that this is today the most used 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== In music quality refers primarily to the timbre, but also dynamics and musical texture, of a section or piece. ==See also== * ISO 9000 * Quality Management System * Quality time * Quality control * Six Sigma * Total Quality Management * Metaphysics of Quality from Zen and the Art of Motorcycle Maintenance and Lila: An Inquiry into Morals by Robert M. Pirsig * Software quality ==Finding related topics== * list of economics topics * list of information technology management topics * list of production topics Production and manufacturingProduct managementManagementServices management and marketingMarketing fa:کیفیت ==External Links== *[http://www.treqna.com/ treqna.com] An Open Source Six Sigma Approach, making it free and usable.
Property and quality Quality is the substance that makes an object/entity what it is. A quality is inherent, a property is relative. A quality is typical of the whole, a property is typical of a part. Property is relative. Quality is absolute. An object can survive without some properties, but not without its quality. A property is comon in all members of a class. Properties are of two kinds. Group 1 property shows the limits (contains constraints). If they disappear, the object itself disappears. They are substantial (not substance) properties. The constraints here are not the same as the specifics of an object, though. Group 2 properties are simple properties. They do not delimit objects. It is the quality that makes a difference among objects. The number of qualities of an object is endless. A particular quality may be the property of different objects, and vice versa. A quality itself is a propetry, it is relative as any other property, i.e. it does not depend on the object that it is a quality of, but on other objects associated with that object. Or: what is a quality for one object is a property only for another. (Example: an ability to do something – with an amateur and a professional). A quality is not complete specifics. Therefore we have a separate sense for it (quality). If two substantial properties make up a quality, then combined, they are again a substantial property. The complete set of qualities is what you call the specifics. Apogr 20:16, 9 Jun 2005 (UTC) see also: "http://en.wikipedia.org/wiki/Talk:Substance_theory" This page was last modified 20:36, 9 Jun 2005. All text is available under the terms of the GNU Free Documentation License (see Copyrights for details).
See other meanings of words starting from letter:A | B | C | C | D | E | F | G | H | I | J | K | L | M | N | O | P | R | S | T | U | V | X | Y | Z |
Quality
Quality refers to the inherent or distinctive characteristics or properties of a person, object, process or other thing. Such characteristics or properties may set a person or thing apart from other persons or things, or may denote some degree of achievement or excellence. When used in relation to people, the term may also signify a personal character or trait. The term is sometimes contrasted with the concept of quantity. In science, the work of Aristotle focused on measuring quality, whereas the work of Galileo Galilei resulted in a shift towards the study of quantity. ==In manufacturing== In manufacturing, quality is the concept of making products fit for a purpose and with the fewest defects. Many different techniques and concepts have been tried to minimize defects in products, including Zero Defects, Six Sigma, and the House of Quality. Most of these techniques and concepts are controversial to one degree or another, since there are two opposing schools of thought with regard to quality. One school subcribes to a statistics approach to quality, measuring defects and then taking corrective action. The other school subscribes to a more organic approach, arguing that one should "design in quality" rather than trying to "test in quality". ==Historical development of the concept== The meaning for the term quality has developed over time. Four distinctive interpretations: # "Conformance to specifications" (Phil Crosby in the 1980s). The difficulty with this is that the specifications may not be what the customer wants; Crosby treats this as a separate problem. # "Fitness for use" (Dr. Joseph Moses Juran). Fitness is defined by the customer. # A two-dimensional model of quality (Noriaki Kano and others). The quality has two dimensions: "must-be quality" and "attractive quality". The former is near to the "fitness for use" and the latter is what the customer would love, but has not yet thought about. Supporters characterise this model more succinctly as: "Product (business) and services that meet or exceed customers' expectations". One writer believes (without citation) that this is today the most used 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== In music quality refers primarily to the timbre, but also dynamics and musical texture, of a section or piece. ==See also== * ISO 9000 * Quality Management System * Quality time * Quality control * Six Sigma * Total Quality Management * Metaphysics of Quality from Zen and the Art of Motorcycle Maintenance and Lila: An Inquiry into Morals by Robert M. Pirsig * Software quality ==Finding related topics== * list of economics topics * list of information technology management topics * list of production topics Production and manufacturingProduct managementManagementServices management and marketingMarketing fa:کیفیت ==External Links== *[http://www.treqna.com/ treqna.com] An Open Source Six Sigma Approach, making it free and usable.
Quality
Property and quality Quality is the substance that makes an object/entity what it is. A quality is inherent, a property is relative. A quality is typical of the whole, a property is typical of a part. Property is relative. Quality is absolute. An object can survive without some properties, but not without its quality. A property is comon in all members of a class. Properties are of two kinds. Group 1 property shows the limits (contains constraints). If they disappear, the object itself disappears. They are substantial (not substance) properties. The constraints here are not the same as the specifics of an object, though. Group 2 properties are simple properties. They do not delimit objects. It is the quality that makes a difference among objects. The number of qualities of an object is endless. A particular quality may be the property of different objects, and vice versa. A quality itself is a propetry, it is relative as any other property, i.e. it does not depend on the object that it is a quality of, but on other objects associated with that object. Or: what is a quality for one object is a property only for another. (Example: an ability to do something – with an amateur and a professional). A quality is not complete specifics. Therefore we have a separate sense for it (quality). If two substantial properties make up a quality, then combined, they are again a substantial property. The complete set of qualities is what you call the specifics. Apogr 20:16, 9 Jun 2005 (UTC) see also: "http://en.wikipedia.org/wiki/Talk:Substance_theory" This page was last modified 20:36, 9 Jun 2005. All text is available under the terms of the GNU Free Documentation License (see Copyrights for details).
See other meanings of words starting from letter:A | B | C | C | D | E | F | G | H | I | J | K | L | M | N | O | P | R | S | T | U | V | X | Y | Z |
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