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Francis, David J.; Rojas, Raúl; Gusewski, Svenja; Santi, Kristi L.; Khalaf, Shiva; Hiebert, Lindsey; Bunta, Ferenc – Grantee Submission, 2019
Articles in this issue examine (1) the primary sources of variability in reading and language achievement among Spanish-speaking English learners (ELs) in the United States, (2) the extent to which poor performance at the end of grade 2 is identifiable in developmental trajectories beginning in kindergarten, (3) the relations among core reading…
Descriptors: Bilingualism, Bilingual Students, Reading Difficulties, Language Impairments
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Petscher, Yaacov; Connor, Carol McDonald; Al Otaiba, Stephanie – Assessment for Effective Intervention, 2012
This study investigated the psychometrics of the "Diagnostic Evaluation of Language Variation-Screening Test" (DELV-S) test using confirmatory factor analysis, item response theory, and differential item functioning (DIF). Responses from 1,764 students in kindergarten through second grade were used in the study, with results indicating…
Descriptors: Diagnostic Tests, Screening Tests, Language Variation, Psychometrics