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Value-added modeling (also known as value-added measurement, value-added analysis and value-added assessment) is a method of teacher evaluation that measures the teacher's contribution in a given year by comparing the current test scores of their students to the scores of those same students in previous school years, as well as to the scores of other students in the same grade.
William L. Sanders (26 April 1942 [1] – 16 March 2017) was an American statistician, a senior research fellow with the University of North Carolina at Chapel Hill.He developed the Tennessee Value-Added Assessment System (TVAAS), also known as the Educational Value-Added Assessment System (EVAAS), a method for measuring a teacher's effect on student performance by tracking the progress of ...
Value added is a term in financial economics for calculating the difference between market value of a product or service, and the sum value of its constituents. It is relatively expressed to the supply-demand curve for specific units of sale. [ 1 ]
Contextual value added (CVA) is a statistic that was used by the government of the United Kingdom to assess the performance of schools. It was superseded by expected progress and then Progress 8. [1] The statistic is intended to show the progress children have made whilst attending a particular school.
The firm's market value added, is the added value an investment creates for its shareholders over the total capital invested by them. MVA is the discounted sum (present value) of all future expected economic value added: = = = (+)
Value added tax (VAT) is one of the government's main sources of income. It is payable on top of the purchase price of many goods or services and the standard rate is 20%.
Marx's term is the German word "Mehrwert", which simply means value added (sales revenue minus the cost of materials used up), and is cognate to English "more worth". It is a major concept in Karl Marx's critique of political economy. Conventionally, value-added is equal to the sum of gross wage income and gross profit income.
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