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Preliminary versions of the test were tried out and empirical analyses of the results of those versions led to selection of the final items. [4] Construct validity was established through developmental changes (test scores increasing with age or grade reflecting developmental changes), correlations with other tests, and factor analysis. [5]
The test most similar to the WRAT is the Peabody Individual Achievement Test (PIAT), another short, individually administered test which covers comparable material. In general the WRAT correlates very highly with the PIAT. The WRAT correlates moderately with various IQ tests, in the range of .40 to .70 for most groups and most tests.
The Peabody Picture Vocabulary Test, the 2007 edition of which is known as the PPVT-IV, is an untimed test of receptive vocabulary for Standard American English and is intended to provide a quick estimate of the examinee's receptive vocabulary ability. It can be used with the Expressive Vocabulary Test-Second Edition (EVT-2) to make a direct ...
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The test also involves only four subtests and requires fewer physical materials than a typical test. It was created alongside the Wide Range Achievement Test 3 (WRAT3), [1] [2] a measure of reading comprehension and academic ability, by Pearson Education in 2000. The WRIT is intended to assess those aged 4 through 85. [3]
Peabody Hotel, a hotel in Memphis, Tennessee, United States; Peabody Picture Vocabulary Test, a type of intelligence test; Peabody Trust, a housing association in London, now branded simply as Peabody; Mister Peabody, a fictional dog in 1950s and 1960s television animated series Mr. Peabody & Sherman, a 2014 animated film based on the TV series
The Bayley-III has three main subtests; the Cognitive Scale, which includes items such as attention to familiar and unfamiliar objects, looking for a fallen object, and pretend play, the Language Scale, which taps understanding and expression of language, for example, recognition of objects and people, following directions, and naming objects ...
The January 9 report only shared results for lead, cadmium, BPA, and BPS testing. Data on other contaminants will be released in a later update, Clean Label Project executive director Jaclyn Bowen ...