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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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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