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The Versant score report is composed of an Overall score (a weighted combination of the subscores) and four diagnostic subscores: Sentence Mastery (i.e., grammar), Vocabulary, Fluency, and Pronunciation. The Overall score and subscores are reported on a scale from 20 to 80.
Peter Foltz and Thomas Landauer developed a system using a scoring engine called the Intelligent Essay Assessor (IEA). IEA was first used to score essays in 1997 for their undergraduate courses. [7] It is now a product from Pearson Educational Technologies and used for scoring within a number of commercial products and state and national exams.
Typically, scoring around the 99th percentile (45-47/47) on one part of the exam and the 60th percentile (25-27/47) on the other part will gain admission into a specialized high school, while the 82nd percentile (32/47) on both will not be enough for admissions into a specialized high school.
Pearson's correlation coefficient is the covariance of the two variables divided by the product of their standard deviations. The form of the definition involves a "product moment", that is, the mean (the first moment about the origin) of the product of the mean-adjusted random variables; hence the modifier product-moment in the name.
Thus, from the perspective of a CBA framework, cultural standards for scoring keys can be derived from the population that is being assessed. Peter Legree and Joseph Psotka, working together over the past decades, proposed that psychometric g could be measured unobtrusively through survey-like scales requiring judgments.
The most recent version of this test, created by Frederick C. Markwardt Jr. and published by Pearson American Guidance Service. is entitled Peabody Individual Achievement Test-Revised/Normative Update (PIAT-R/NU). It is individually administered and norm referenced. [2]
The test is a computer-based, online test taken at a Pearson Vue centre near the candidate. Candidates are not allowed to bring external materials in to the exam. A basic calculator is provided on the screen, along with a white board and a marker pen for taking notes. The equipment and conditions vary slightly between different test centers.
Citing a disproportionate number of students scoring in the 99th percentile — the far right tail of the distribution curve — the NYC DOE replaced the Bracken (BSRA) with the Naglieri Nonverbal Ability Test (NNAT), and changed the weighting, lowering the OLSAT from two-thirds to one-third and giving the NNAT two-thirds. [2]