The Houston Independent School District offers two different English as a Second Language (ESL) programs for students whose native language is not English and who need to develop and enhance their English language skills (English Language Learners, or ELLs). The Content-Based ESL model (CB-ESL) consists of an intensive program of English…

The Cultural Heritage Bilingual Program (CHBP) was developed for English Language Learner (ELL) students from language groups not served by current bilingual programs in the Houston Independent School District (HISD), which are designed for Spanish-speaking ELLs. The largest group of students in this category consists of ELLs whose home language…

Despite the coronavirus pandemic, HIPPY expanded geographically to provide services to parents of 601 children zoned to 114 elementary schools during the 2020--2021 academic year, compared to 105 schools during the previous year. Commencing in March 2020, the program was consistently delivered using a hybrid format (face-to-face and virtual), with…

This study estimates the effects of open-enrollment charter schools on student performance in traditional public schools in Arkansas. The paper examines the change in Iowa Assessment scores for first and second graders across Arkansas school districts between the 2014-2015 and 2015-2016 school years. The ordinary least-squares regression estimates…

This is a research brief of a longer report, also published as "Bilingual Education and English as a Second Language Summary Report, 2009-2010". Twenty-nine percent of students enrolled in Austin Independent School District were English language learners in 2009-2010. The majority of them (62%) continued to make progress in English…

An item discriminability study of the Iowa Tests of Basic Skills Language Skills tests identified test items that are robust discriminators, psychometrically capable of separating low scorers from higher scorers in the language tests battery. The analysis was conducted by calculating a point-biserial correlation for each item on the four language…

Item responses from a standardized language arts usage and expression test were submitted to an ordering-theoretic data analysis procedure to identify the significant prerequisite relationships that underlay the data set. Responses were elicited from a sample of 81 sixth graders who took the Iowa Tests of Basic Skills, Form G, Level 12 usage and…

A Markov chain Monte Carlo (MCMC) method and a bootstrap method were compared in the estimation of standard errors of item response theory (IRT) true score equating. Three test form relationships were examined: parallel, tau-equivalent, and congeneric. Data were simulated based on Reading Comprehension and Vocabulary tests of the Iowa Tests of…

This study was conducted to investigate the dimensionality of language tests by means of latent variable models for categorical data. It differs from previous studies by conducting the analysis at the level of the original items using the structural modeling approach of B. Muthen (1984) for dichotomous and ordered polytomous variables. In this…

The records of graduates of Iowa high schools who entered the University of Iowa as freshmen in the fall of 1977 were secured in cooperation with the Iowa Testing Program. Test scores for grades 4, 6, and 8 on the Iowa Tests of Basic Skills and for grade 11 on the Iowa Tests of Educational Development were obtained for all students whose scores…

This report documents the 1985-86 Title VII Program of the Austin (Texas) Independent School District. Major findings indicated the following: (1) three program components--staff training, tutoring, and curriculum development--were implemented as planned; (2) the staff training component included a series of English as a Second Language…

This volume summarizes the results of the evaluation of the Austin (Texas) Independent School District 1981-82 State Compensatory Education Program. This technical report is organized into eight appendixes. Each appendix reports the information collected by a specific measure. Each appendix consists of (1) an instrument description, (2) purpose of…

In order to assess the locally developed curricula, the Cherry Creek School District of Colorado developed several objective-referenced tests focused on objectives that instructional staff have identified as important for all district students. The local assessments are designed to work in conjunction with the Iowa Tests of Basic Skills (ITBSs) to…

Whether teachers, in the absence of standardized test scores, can adequately identify students who require remedial services or are at risk of failing a literacy test was studied. During the 1987-88 school year 22 fourth-grade teachers were asked to identify which of 530 students of various ethnic backgrounds would score in the top or bottom…

The Iowa Tests of Basic Skills (ITBS), here summarized for administrators, are intended to provide information about the skills development of individual students and about relative strengths and weaknesses of the instructional program. The ITBS represents the first comprehensive elementary school and secondary school statewide testing program in…