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Guangming Li; Zhengyan Liang – SAGE Open, 2024
In order to investigate the influence of separation of grade distributions and ratio of common items on the precision of vertical scaling, this simulation study chooses common item design and first grade as base grade. There are four grades with 1,000 students each to take part in a test which has 100 items. Monte Carlo simulation method is used…
Descriptors: Elementary School Students, Grade 1, Grade 2, Grade 3
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Zhang, Zhonghua – Applied Measurement in Education, 2020
The characteristic curve methods have been applied to estimate the equating coefficients in test equating under the graded response model (GRM). However, the approaches for obtaining the standard errors for the estimates of these coefficients have not been developed and examined. In this study, the delta method was applied to derive the…
Descriptors: Error of Measurement, Computation, Equated Scores, True Scores
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Barr, Christopher D.; Reutebuch, Colleen K.; Carlson, Coleen D.; Vaughn, Sharon; Francis, David J. – Journal of Research on Educational Effectiveness, 2019
Beginning in 2002, researchers developed, implemented, and evaluated the efficacy of an English reading intervention for first-grade English learners using multiple randomized control trials (RCTs). As a result of this efficacy work, researchers successfully competed for an IES Goal 4 effectiveness study using the same intervention. Unlike the…
Descriptors: Intervention, English Language Learners, Grade 1, Elementary School Students
New York State Education Department, 2016
This technical report provides detailed information regarding the technical, statistical, and measurement attributes of the New York State Testing Program (NYSTP) for the Grades 3-8 Common Core English Language Arts (ELA) and Mathematics 2016 Operational Tests. This report includes information about test content and test development, item (i.e.,…
Descriptors: Testing Programs, English, Language Arts, Mathematics Tests
New York State Education Department, 2015
This technical report provides detailed information regarding the technical, statistical, and measurement attributes of the New York State Testing Program (NYSTP) for the Grades 3-8 Common Core English Language Arts (ELA) and Mathematics 2015 Operational Tests. This report includes information about test content and test development, item (i.e.,…
Descriptors: Testing Programs, English, Language Arts, Mathematics Tests
New York State Education Department, 2014
This technical report provides detailed information regarding the technical, statistical, and measurement attributes of the New York State Testing Program (NYSTP) for the Grades 3-8 Common Core English Language Arts (ELA) and Mathematics 2014 Operational Tests. This report includes information about test content and test development, item (i.e.,…
Descriptors: Testing Programs, English, Language Arts, Mathematics Tests
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De Houwer, Annick; Bornstein, Marc H.; Leach, Diane B. – Journal of Child Language, 2005
Thirty middle- to upper middle-class monolingual Dutch speaking families consisting of at least a mother and a father completed the Infant Form "Words and Gestures" of the Dutch adaptation of the MacArthur Communicative Development Inventory for the same child at 1;1. Considerable inter- and intrafamily variation emerged in how two (or three)…
Descriptors: Monolingualism, Indo European Languages, Language Acquisition, Communicative Competence (Languages)