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Durán, Lillian K.; Wackerle-Hollman, Alisha K.; Kohlmeier, Theresa L.; Brunner, Stephanie K.; Palma, Jose; Callard, Chase H. – Grantee Submission, 2019
The population of Spanish-speaking preschoolers in the United States continues to increase and there is a significant need to develop psychometrically sound early language and literacy screening measures to accurately capture children's ability in Spanish. In this paper, we describe the innovative design and calibration process of the new…
Descriptors: Spanish Speaking, Preschool Children, Psychometrics, Screening Tests
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Finn, Amy S.; Hudson Kam, Carla L. – Journal of Experimental Psychology: Learning, Memory, and Cognition, 2015
We ask whether an adult learner's knowledge of their native language impedes statistical learning in a new language beyond just word segmentation (as previously shown). In particular, we examine the impact of native-language word-form phonotactics on learners' ability to segment words into their component morphemes and learn phonologically…
Descriptors: Morphemes, Adult Learning, Second Language Learning, Morphology (Languages)
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Liu, Ou Lydia; Ryoo, Kihyun; Linn, Marcia C.; Sato, Elissa; Svihla, Vanessa – International Journal of Science Education, 2015
Although researchers call for inquiry learning in science, science assessments rarely capture the impact of inquiry instruction. This paper reports on the development and validation of assessments designed to measure middle-school students' progress in gaining integrated understanding of energy while studying an inquiry-oriented curriculum. The…
Descriptors: Energy, Science Education, Psychometrics, Case Studies
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What Works Clearinghouse, 2012
The research described in this report is a randomized controlled trial in which seventh- and eighth-grade students were randomly assigned to complete a set of 25 math questions delivered with either standard language or language that had undergone "linguistic modification" by the research team. The purpose of the study was to assess the…
Descriptors: Middle Schools, Grade 7, Grade 8, Mathematics Tests
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Abedi, Jamal – Educational Assessment, 2009
This study compared performance of both English language learners (ELLs) and non-ELL students in Grades 4 and 8 under accommodated and nonaccommodated testing conditions. The accommodations used in this study included a computerized administration of a math test with a pop-up glossary, a customized English dictionary, extra testing time, and…
Descriptors: Computer Assisted Testing, Testing Accommodations, Mathematics Tests, Grade 4