ASU Electronic Theses and Dissertations
This collection includes most of the ASU Theses and Dissertations from 2011 to present. ASU Theses and Dissertations are available in downloadable PDF format; however, a small percentage of items are under embargo. Information about the dissertations/theses includes degree information, committee members, an abstract, supporting data or media.
In addition to the electronic theses found in the ASU Digital Repository, ASU Theses and Dissertations can be found in the ASU Library Catalog.
Dissertations and Theses granted by Arizona State University are archived and made available through a joint effort of the ASU Graduate College and the ASU Libraries. For more information or questions about this collection contact or visit the Digital Repository ETD Library Guide or contact the ASU Graduate College at gradformat@asu.edu.
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Description
This study investigated the internal factor structure of the English language development Assessment (ELDA) using confirmatory factor analysis. ELDA is an English language proficiency test developed by a consortium of multiple states and is used to identify and reclassify English language learners in kindergarten to grade 12. Scores on item parcels based on the standards tested from the four domains of reading, writing, listening, and speaking were used for the analyses. Five different factor models were tested: a single factor model, a correlated two-factor model, a correlated four-factor model, a second-order factor model and a bifactor model. The results indicate that the four-factor model, second-order model, and bifactor model fit the data well. The four-factor model hypothesized constructs for reading, writing, listening and speaking. The second-order model hypothesized a second-order English language proficiency factor as well as the four lower-order factors of reading, writing, listening and speaking. The bifactor model hypothesized a general English language proficiency factor as well as the four domain specific factors of reading, writing, listening, and speaking. The Chi-square difference tests indicated that the bifactor model best explains the factor structure of the ELDA. The results from this study are consistent with the findings in the literature about the multifactorial nature of language but differ from the conclusion about the factor structures reported in previous studies. The overall proficiency levels on the ELDA gives more weight to the reading and writing sections of the test than the speaking and listening sections. This study has implications on the rules used for determining proficiency levels and recommends the use of conjunctive scoring where all constructs are weighted equally contrary to current practice.
ContributorsKuriakose, Anju Susan (Author) / Macswan, Jeff (Thesis advisor) / Haladyna, Thomas (Thesis advisor) / Thompson, Marilyn (Committee member) / Arizona State University (Publisher)
Created2011
Description
The purpose of this single case design study was to examine the efficacy of a graphic organizer for improving the reading comprehension of middle school Spanish-English bilingual middle school students with learning disabilities. Students included two females and one male student. Using a multiple baseline across participants design, students were taught to create a funnel map graphic organizer for 10 descriptive text passages. Students’ performance was assessed on their ability to correctly create the funnel map (criterion variable) and to comprehend the expository passages during baseline, intervention, and maintenance phases. Each participant learned to create an accurate funnel map for descriptive texts within four sessions. Reading comprehension scores began to increase within three intervention sessions for each participant. Results showed the positive effect of using the funnel map to improve reading comprehension of descriptive texts. Individual TAU effect sizes (.81 to .92) and overall TAU-U effect sizes (.86) and a Between Cases Standardized Mean Difference (BC-SMD) of 1.87 showed the intervention to be highly effective. Based on the effect sizes, the funnel map was effective for improving the reading comprehension of middle school Spanish-English bilingual students with learning disabilities.
ContributorsCalvin, Kristie (Author) / Gray, Shelley I (Thesis advisor) / Restrepo, Laida (Committee member) / Thompson, Marilyn (Committee member) / Arizona State University (Publisher)
Created2022
Description
Online learning in higher education has been increasing over the last two decades (NCES, 2016). Previous research has highlighted the importance of student engagement for academic achievement and performance (Fuller, Wilson, & Tobin, 2011; Northey et al., 2018). The current study aims to further understand students’ perceptions of peer interactions, assess the application of the Theory of Involvement in online learning environments, and identify factors of student engagement. Data were collected from 1,514 undergraduate students enrolled in online courses at Arizona State University (Mage = 25.96 years old; SD = 7.64; 1,259 female, 232 male, 12 non-binary, and 1 gender fluid). The results of this dissertation study indicate that the vast majority of students (94% of the sample) want opportunities for peer interaction in their online courses. Confirmatory Factor Analyses were conducted to validate three of the primary measures and these measurement models were used in subsequent analyses. Structural Equation Modeling (SEM) revealed that students who demonstrated high levels of Academic, Online Community, Life Application, and Social Engagement were more likely to perform well on measures of Academic Performance (i.e., doing well on quizzes or tests, earning higher letter grades). Additional SEM analyses indicated that sense of a community was related to all four aspects of student engagements. There was evidence that certain pedagogical factors were also associated with higher rates of student engagement. For example, students who reported high levels for Instructional Design (e.g., felt the course objectives were clear) were more likely to be academically engaged (i.e., demonstrated strong study habits). Lastly, while there were no significant differences in student engagement by gender, ethnicity, or living arrangements, students who valued peer interaction were more likely to report higher levels of Online Student Engagement. The findings of this research emphasize the desire online students have to interact with their peers, demonstrates the importance of engaging online students, and serves as a guide for educators in creating online courses that foster student engagement.
ContributorsCortes, Khaerannisa (Author) / Ladd, Becky (Thesis advisor) / Ladd, Gary (Committee member) / Thompson, Marilyn (Committee member) / Updegraff, Kimberly (Committee member) / Arizona State University (Publisher)
Created2021