Over a 6-year period, a sociolinguistic and sociocultural project was undertaken by Alaska Native expert educators and linguists (aka the Yup'ik Expert Group) from the Yup'ik community in the Lower Kuskokwim School District, Central Alaska. The native experts developed their own culturally sustainable, valid, and reliable Kindergarten through…

Using two states' longitudinal data, this study tracked long-term English learner (LTEL) students' performance on an annual English language proficiency (ELP) assessment (the ELPA21) from their pre-LTEL period. We followed English learner (EL) students who were initially classified as EL students in Kindergarten or in Grade 1 until they reached…

This study reports on a small-scale, longitudinal investigation on L2 Spanish oral development by English-home language (EHL) learners in an English/Spanish Two-Way Immersion (TWI) program in rural, eastern United States. It examined EHL learners' oral ability in L2 Spanish based on longitudinal assessment data from Kindergarten, Grade 2, and…

In response to a request for additional analyses, in particular reporting confidence intervals around the results, we re-analyzed the data from prior studies. This supplementary report presents the results of the additional analyses addressing classification accuracy, reliability, and criterion-related validity evidence. For ease of reference, we…

In response to a request for additional analyses, in particular reporting confidence intervals around the results, we re-analyzed the data from prior studies. This supplementary report presents the results of the additional analyses addressing classification accuracy, reliability, and criterion-related validity evidence. For ease of reference, we…

This simulation study examines the measurement precision, item exposure rates, and the depth of the MAP® Growth™ item pools under various grade-level restrictions. Unlike most summative assessments, MAP Growth allows examinees to see items from any grade level, regardless of the examinee's actual grade level. It does not limit the test to items…

Research suggests that morphological awareness facilitates word decoding, improves lexical knowledge, and helps reading comprehension (Carlisle, 2010; Nagy et al., 2014; Verhoeven & Perfetti, 2011). The present study examined the relationship among morphological awareness, word recognition and reading comprehension in 153 second- and…

California has the largest share of the English Language Learner (ELL) student population in the U.S., and it continues to grow. English Language Learners are the fastest growing group in the public school population and they are underachieving. The purpose of this study was to evaluate the longitudinal changes in the performance of English…

A Mandarin/English two-way immersion elementary program is described from its inception and implementation through the fifth grade, the culminating year of the program. All students in all grades were assessed on their oral/listening, reading, and writing performance in Mandarin using program-created assessment measures. Fifth-grade students also…

Current assessment practices in the United States are not able to accurately capture the total linguistic, cognitive, and achievement abilities of bilingual learners. There are psychometric complexities involved when assessing and interpreting test results of bilingual students, which impact the validity of this practice. Further, the compromise…

This study examined whether having a teacher with National Board for Professional Teaching Standards (NBPTS) certification improves student achievement. The study analyzed data on about 3,800 second through fifth grade students taught by 198 teachers in the Los Angeles Unified School District. Study data were from 2003-04 and 2004-05. The authors…

This study examined the effectiveness of a transitional Spanish-English bilingual program, Academic Language Acquisition (ALA), in enhancing K-5 students' English-language proficiency, as well as their English performance in academic subject areas, in comparison with the Structured English Immersion (SEI) process. An existing reading program,…