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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 .
The Wechsler Individual Achievement Test Second Edition (WIAT-II; Wechsler, 2005) assesses the academic achievement of children, adolescents, college students and adults, aged 4 through 85. The test enables the assessment of a broad range of academics skills or only a particular area of need.
Because the Wechsler tests included non-verbal items (known as performance scales) as well as verbal items for all test-takers, and because the 1960 form of Lewis Terman's Stanford–Binet Intelligence Scales was less carefully developed than previous versions, Form I of the WAIS surpassed the Stanford–Binet tests in popularity by the 1960s. [2]
"The Flesch–Kincaid" (F–K) reading grade level was developed under contract to the U.S. Navy in 1975 by J. Peter Kincaid and his team. [1] Related U.S. Navy research directed by Kincaid delved into high-tech education (for example, the electronic authoring and delivery of technical information), [2] usefulness of the Flesch–Kincaid readability formula, [3] computer aids for editing tests ...
The current MMPI-2 has 567 items, and usually takes between one and two hours to complete depending on reading level. It is designed to require a 4.6 grade (Flesh-Kincaid) reading level. [24] There is an infrequently used abbreviated form of the test that consists of the MMPI-2's first 370 items. [25]
From 1984 to 1996, MetaMetrics received funding through five grants from Small Business Innovation Research, obtained through the National Institutes of Health, to develop a measurement system for reading and writing. [15] [16] The measurement ideas embedded in the Lexile framework can be found in two 1982–83 articles by Stenner and Smith ...
In this system, reading text is classified according to various parameters, such as word count, number of different words, number of high-frequency words, sentence length, sentence complexity, word repetitions, illustration support, etc. While classification is guided by these parameters, syllable type, an important consideration in beginning ...
The Dale–Chall readability formula is a readability test that provides a numeric gauge of the comprehension difficulty that readers come upon when reading a text. It uses a list of 3000 words that groups of fourth-grade American students could reliably understand, considering any word not on that list to be difficult.