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The Quality Management Maturity Grid (QMMG) is an organizational maturity matrix conceived by Philip B. Crosby first published in his book Quality is Free in 1979. [1] [2] The QMMG is used by a business or organization as a benchmark of how mature their processes are, and how well they are embedded in their culture, with respect to service or product quality management.
Level of measurement or scale of measure is a classification that describes the nature of information within the values assigned to variables. [1] Psychologist Stanley Smith Stevens developed the best-known classification with four levels, or scales, of measurement: nominal , ordinal , interval , and ratio .
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The pyramid begins at the bottom with physiological needs (the most prepotent of all) and culminates at the top with self-actualization needs. In his later writings, Maslow added a sixth level of ‘meta-needs’ and metamotivation. [4] [5] The hierarchy of needs developed by Maslow is one of his most enduring contributions to psychology. [6]
For processes that produce homogeneous batches (e.g., chemical) where repeat measurements vary primarily because of measurement error; The "chart" actually consists of a pair of charts: one, the individuals chart, displays the individual measured values; the other, the moving range chart, displays the difference from one point to the next.
DIKW is a hierarchical model often depicted as a pyramid, sometimes as a chain, with data at its base and wisdom at its apex (or chain-beginning and -end). [1] [14] [4] [15] Both Zeleny and Ackoff have been credited with originating the pyramid representation, [14] although neither used a pyramid to present their ideas.
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As proposed in 1888, there was no definitive chart, rather, Prof. Ringelmann provided a specification for how to draw them; where smoke level '0' is represented by white, levels '1' to '4' by 10 mm square grids drawn with 1 mm, 2.3 mm, 3.7 mm and 5.5 mm wide lines and level '5' by all black.