Digital Commons Network^™

Nebraska Summary : 1235 John Deere 6r 155 Diesel Infinitely Variable Transmission, Nebraska Tractor Test Lab

Nebraska Tractor Tests

ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …

A Call To Action: Education Driven Strategies For Successful Implementation Of Blue Economy Initiatives At Coastal Universities, Matthew Tallino

Education Theses

Microplastic pollution impacts the earth’s oceans. Research at the deep sea and surface level, as well as research examining different bodies of water, indicates this problem is widespread. This research examines data from 2012 to the present to assess the impact the human stressor of microplastic has on marine ecosystems and ocean sampling and the insight that peer reviewed research on microplastics can provide as coastal universities create Blue Economy strategic action plans. Data indicates microplastics are a critical issue to the oceans overall health. The implications of the research are designed to target a variety of community members at …

Pre-Service Secondary Mathematics Teachers' Definitions Of Mathematics Terms In Their Video-Lesson Presentations: A Deductive Content Analysis, Art Walden A. Dejoras, Catherine P. Vistro-Uy

Mathematics Faculty Publications

Taking into account the nature of mathematics as an exact science and the essential role of mathematics teachers’ knowledge of fundamental mathematics definitions; the authors investigated the pre-service secondary mathematics teachers (PSMTs) knowledge of a good mathematics definition in their group video-lesson presentations related to algebra; geometry; descriptive statistics; and number theory. The quality of their definitions can provide a glimpse of their preparedness to teach mathematics at the secondary level. Drawing on Leikin and Zazkis’ (2010) framework to analyze teacher- generated definitions; and Borasi’s (1992) characterizations of a good definition; the authors developed an analytical framework to analyze a …

Faith, Family, And Friends As Integral Factors In Student Resilience In The Ateneo De Manila School Of Science And Engineering, Queena N. Lee-Chua

Mathematics Faculty Publications

What makes Filipino students resilient in times of crises such as the COVID-19 pandemic? Even as some students succumb to anxiety and despair and lose motivation to learn; others actively take charge of their learning and remain hopeful and strong amid severe trials. What keeps them going; and what can we learn from them? 25 professors of the Ateneo de Manila School of Science and Engineering selected 92 college undergraduate and graduate students whom they observed to display resilience in learning and prodded them to reflect on how they overcame challenges in and out of the classroom. Whatever their circumstances; …

Deployment Of Mathematical Resources To A Philippine High School Through A Community Lte Network, Ma. Louise Antonette N. De Las Peñas, Maria Alva Q. Aberin, Agnes Garciano, Juan Carlo F. Mallari, Jumela F. Sarmiento, Mark Anthony C. Tolentino, Debbie Marie Verzosa

Mathematics Faculty Publications

In the Philippines, one challenge that continues to be faced by the Department of Education in bringing educational content in a blended learning modality is the lack of internet access of the learners. This paper discusses the distribution, through a community LTE network, of mathematical resources for Grades 7 to 10 to teachers and students of a particular high school in the Philippines. It also gives details on particular technological tools (mathematical applications) that were created to help the mathematical learning of students in a remote setting.

Development Of An App And Videos To Support The Fraction Learning Trajectory From Grades 1-7, Debbie Marie Verzosa, Ma. Louise Antonette N. De Las Peñas, Maria Alva Q. Aberin, Agnes Garciano, Jumela F. Sarmiento, Juan Carlo F. Mallari, Mark Anthony C. Tolentino

Mathematics Faculty Publications

Lack of procedural fluency in fractions impedes access to advanced mathematical courses and limits opportunities for entry into STEM-related fields. This paper describes the design and pedagogical basis of the Moving Fractions app and supplementary fraction videos for promoting fraction learning. Moving Fractions utilizes game-design factors to draw students through a trajectory of fraction learning from part-whole comparisons to a more robust understanding of the measurement concept of fractions. The supplementary video immerses students in a broad range of fraction representations. The app and video are intended to form a fraction learning package for distribution in Philippine schools. Future work …

Crosslinguistic Transfer Of Mathematical Knowledge Among Chinese-Filipino Students, Lester Hao, Romina Ann S. Yap

Mathematics Faculty Publications

No abstract provided.

Measuring Students' Pro-Environmental Attitudes And Behaviors Before And After Demonstration-Based Instruction, Collin Ryan

Williams Honors College, Honors Research Projects

A growing amount of research exists on environmental education programs which incorporates the viewpoints of students into its assessment of the program’s efficacy. This research seeks to add to that body and evaluate an environmental education program about the sustainability of plastics, using both quantitative and qualitative data collected from participating students. The data was collected after a 90-minute instructional block of demonstration-based environmental education meant to inform students on the variability of plastics’ properties and the sorting and remolding processes of recycling. It also aimed to help build pro-environmental attitudes and behaviors in the students, and a sense of …

Student Understanding Of The Definite Integral When Solving Calculus Volume Problems, Krista Bresock

Graduate Theses, Dissertations, and Problem Reports (ETD)

The concept of integration appears in many different scientific fields, and students’ understanding of and ability to use the definite integral in applications is important to success in their STEM (science, technology, engineering, and mathematics) classes. One of the first types of application problems that students encounter is finding the volume of a solid using the definite integral. How students approach these problems and how they use the definite integral to find volumes can have an impact on their future use and understanding of the definite integral.

This study involves a deep and thorough investigation of how ten students understand …

Women Students Learning A Stem Subject: An Analysis Of Note-Taking Practices In A Civil Engineering Course And The Association With Self-Efficacy, Cognitive Engagement, Test Anxiety, And Course Achievement, Monica Palomo, Pauline Muljana

STEMPS Faculty Publications

Women students are underrepresented in STEM education. The completion rate of women students in an engineering program are known to be low. Alongside this, the COVID-19 pandemic still occurs, threatening people’s health, leading to anxiety and depression, and influencing students’ learning. Numerous studies have displayed a negative association between self-efficacy and test anxiety, especially in quantitative subjects. All together may distract students from focusing on their cognitive goals. In turn, students may not be able to concentrate, disrupting their cognitive engagement to grasp knowledge. The present case study is aimed to investigate the note-taking strategies used in a fully-synchronous Civil …

Experiences During The Implementation Of Two Different Project-Based Learning Assignments In A Fluid Mechanics Course., Orlando Ayala, Kristie Gutierrez, Francisco Cima, Julia Noginova, Min Jung Lee, Stacie Ringleb, Pilar Pazos, Krishnanand Kaipa, Jennifer Kidd

Engineering Technology Faculty Publications

There is growing evidence of the effectiveness of project-based learning (PBL) in preparing students to solve complex problems. In PBL implementations in engineering, students are treated as professional engineers facing projects centered around real-world problems, including the complexity and uncertainty that influence such problems. Not only does this help students to analyze and solve an authentic real-world task, promoting critical thinking, but also students learn from each other, learning valuable communication and teamwork skills. Faculty play an important part by assuming non-conventional roles (e.g., client, senior professional engineer, consultant) to help students throughout this instructional and learning approach. Typically in …

ผลการจัดกิจกรรมการเรียนรู้โดยใช้แนวการศึกษาคณิตศาสตร์ที่สอดคล้องกับชีวิตจริงร่วมกับการใช้คำถามเชิงการรู้คิดที่มีต่อความสามารถในการคิดอย่างมีวิจารณญาณทางคณิตศาสตร์ของนักเรียนชั้นมัธยมศึกษาปีที่ 4, ธิปัตย์ สุขเกิด

Chulalongkorn University Theses and Dissertations (Chula ETD)

งานวิจัยนี้เป็นงานวิจัยกึ่งทดลองเกี่ยวกับความสามารถในการคิดอย่างมีวิจารณญาณทางคณิตศาสตร์ของนักเรียนที่ได้รับการจัดกิจกรรมโดยใช้แนวการศึกษาคณิตศาสตร์ที่สอดคล้องกับชีวิตจริงร่วมกับการใช้คำถามเชิงการรู้คิด โดยมีวัตถุประสงค์เพื่อ 1) เปรียบเทียบความสามารถในการคิดอย่างมีวิจารณญาณทางคณิตศาสตร์ของนักเรียนที่ได้รับการจัดกิจกรรมระหว่างก่อนเรียนและหลังเรียน 2) เปรียบเทียบความสามารถในการคิดอย่างมีวิจารณญาณทางคณิตศาสตร์ของนักเรียนที่ได้รับการจัดกิจกรรมกับเกณฑ์ร้อยละ 60 ของคะแนนเต็ม 3. ศึกษาพัฒนาการด้านความสามารถในการคิดอย่างมีวิจารณญาณทางคณิตศาสตร์ของนักเรียนชั้นมัธยมศึกษาปีที่ 4 ที่ได้รับการจัดกิจกรรมการเรียนรู้โดยใช้แนวการศึกษาคณิตศาสตร์ที่สอดคล้องกับชีวิตจริงร่วมกับการใช้คำถามเชิงการรู้คิด กลุ่มตัวอย่างเป็นนักเรียนชั้นมัธยมศึกษาปีที่ 4 ของโรงเรียนแห่งหนึ่งในจังหวัดชุมพร จำนวน 36 คน เครื่องมือที่ใช้ในการทดลอง คือ แผนการจัดกิจกรรมการเรียนรู้ตามแนวการศึกษาคณิตศาสตร์ที่สอดคล้องกับชีวิตจริงร่วมกับการใช้คำถามเชิงการรู้คิด เครื่องมือที่ใช้ในการเก็บรวบรวมข้อมูล คือ แบบวัดความสามารถในการคิดอย่างมีวิจารณญาณทางคณิตศาสตร์ก่อนทดลองและหลังทดลอง วิเคราะห์ข้อมูลโดยการหาค่าเฉลี่ย ส่วนเบี่ยงเบนมาตรฐาน และการทดสอบค่าที (t-test) ผลการวิจัยพบว่า 1) ความสามารถในการคิดอย่างมีวิจารณญาณของนักเรียนชั้นมัธยมศึกษาปีที่ 4 ที่ได้รับการจัดกิจกรรมการเรียนรู้โดยใช้แนวการศึกษาคณิตศาสตร์ที่สอดคล้องกับชีวิตจริงร่วมกับการใช้คำถามเชิงการรู้คิดหลังเรียนสูงกว่าก่อนเรียน อย่างมีนัยสำคัญทางสถิติที่ระดับ .05 2) ความสามารถในการคิดอย่างมีวิจารณญาณของนักเรียนชั้นมัธยมศึกษาปีที่ 4 ที่ได้รับการจัดกิจกรรมการเรียนรู้โดยใช้แนวการศึกษาคณิตศาสตร์ที่สอดคล้องกับชีวิตจริงร่วมกับการใช้คำถามเชิงการรู้คิดสูงกว่าเกณฑ์ร้อยละ 60 ของคะแนนเต็ม อย่างมีนัยสำคัญทางสถิติที่ระดับ .05 3) พัฒนาการความสามารถในการคิดอย่างมีวิจารณญาณของนักเรียนชั้นมัธยมศึกษาปีที่ 4 ที่ได้รับการจัดกิจกรรมการเรียนรู้โดยใช้แนวการศึกษาคณิตศาสตร์ที่สอดคล้องกับชีวิตจริงร่วมกับการใช้คำถามเชิงการรู้คิดดีขึ้น

Investigating Boredom Within The Context Of Sixth-Grade Mathematics Classes, Tammy S. Judkins

Graduate Research Theses & Dissertations

This dissertation examined how the perception of the achievement-emotion of boredom impacted the academic agency of sixth-grade mathematics students. The study for this dissertation was completed during the Covid 19 pandemic. Through an explanatory sequential mixed methods study, sixth-grade mathematics student volunteers from a Midwest middle school responded to survey items on achievement-emotions as well as shared their perspectives about their perception of boredom in three mathematics settings: classroom, studying and/or independent learning, and testing. Eleven of the 69 sixth-grade mathematic students participated in three rounds of data collection: the AEQ-M Survey, homogenous focus group discussions, and individual interviews. A …

Representations And Perceptions Of Sexual Pleasure In Undergraduate Anatomy And Physiology (A&P) Courses, Brenda Kucha Anak Ganeng

Graduate Research Theses & Dissertations

The World Health Organization defines sexual pleasure as an important part of positive sexual experiences and sexual health. Despite its importance, sexual pleasure is often omitted from sexual health programming and curricula. Undergraduate human anatomy and physiology (A&P) courses serve as avenues where students who intend to go into health care learn foundational knowledge about human body systems and health; however, to our knowledge, there has been no documentation of if and how A&P students learn about sexual pleasure. A&P textbooks serve as an important resource for curriculum design and learning. I sought to answer the following research question: How …

A Quantitative Assessment And Comparison Of The Undergraduate Curriculum Prerequisite Structures For The Universities In The Minnesota State System With Particular Emphasis On Mathematics Courses, Erik Loge

All Graduate Theses, Dissertations, and Other Capstone Projects

The purpose of this dissertation is to study the consistency of the structures and the centrality of mathematics courses in the curricula of the universities in the Minnesota State University system. This research will be based on the curriculum prerequisite networks for the seven universities in the Minnesota State System. These networks will be constructed from the information in the course catalogs available on each university’s public website. The networks will be constructed with courses represented by nodes and weighted edges representing prerequisite relationships. The analysis will use curriculum network analytics to evaluate and compare the connectedness of the networks, …

Title I Middle School Teacher And Principal Perspectives On Inquiry-Based Science Instruction, Kirsten R. King

Walden Dissertations and Doctoral Studies

Title I middle schools face challenges delivering effective inquiry-based science instruction within the framework of Title I requirements. The purpose of this basic qualitative study was to explore Title I middle school teacher and principal perspectives on and experiences with the challenges of delivering inquiry-based science instruction within the framework of Title I requirements. Dewey’s theories of experiential learning and Vygotsky’s theory of sociocultural constructivism provided the conceptual framework for this study. The research questions focused on teacher and principal experiences with inquiry-based science instruction and the impact Title I school policies and practices had on the delivery of inquiry-based …

Title I Middle School Teacher And Principal Perspectives On Inquiry-Based Science Instruction, Kirsten R. King

Walden Dissertations and Doctoral Studies

Title I middle schools face challenges delivering effective inquiry-based science instruction within the framework of Title I requirements. The purpose of this basic qualitative study was to explore Title I middle school teacher and principal perspectives on and experiences with the challenges of delivering inquiry-based science instruction within the framework of Title I requirements. Dewey’s theories of experiential learning and Vygotsky’s theory of sociocultural constructivism provided the conceptual framework for this study. The research questions focused on teacher and principal experiences with inquiry-based science instruction and the impact Title I school policies and practices had on the delivery of inquiry-based …

Prodigy Game And Third-Grade Mathematics Achievement In An Urban Setting, Christina D. Brooks

Walden Dissertations and Doctoral Studies

Students in Urban District 1 were not meeting grade level learning outcomes in mathematics on state- and district-administered benchmark assessments. The purpose of this study was to determine if including a specific educational video game (EVG), Prodigy, in mathematics instruction with third-grade students would influence students’ math achievement as measured by the districts quarterly Star Math benchmark assessments. The research question looked at the difference in students’ benchmark assessment scores for mathematics between third-grade users and non-users of the video game learning software Prodigy during the 2017–2018 school year. The use of EVGs as an instructional strategy was examined through …

Current School District Administrators’ And Math Teachers’ Perspectives Of Teacher Buy-In For Problem-Based Learning In Middle School Math, Kelly Riley Hastings

Walden Dissertations and Doctoral Studies

Project-Based Learning (PBL) in middle school math classrooms is a topic that has not been well-researched, even though math scores in the United States have been declining. In a school district in the Southcentral United States, the local problem was that teacher buy-in for PBL in middle school math classes was unknown, as current literature regarding administrator and teacher perspectives on teacher buy-in is limited. The purpose of the study was to explore current school district administrators’ and math teachers’ perspectives of teacher buy-in for PBL in middle school math in a Southcentral U.S. state. Vygotsky’s social constructivist theory contributes …

An Investigation Of Mathematics Self-Efficacy, The Sources Of Mathematics Self-Efficacy, And Mathematics Achievement Among Primary School Students In Trinidad And Tobago, Ronald Sinanan

Dissertations

Purpose of the Study

This dissertation addressed two problems in the literature. Firstly, while many study findings have highlighted the critical role of self-efficacy in students' achievement, additional research was needed about the four hypothesized sources that influence the improvement of students' mathematics self-efficacy. Many studies on self-efficacy sources were conducted with measures not closely tied to social cognitive theory and have not demonstrated sufficient reliability. Using the Sources of Mathematics SelfEfficacy Scale, Usher and Pajares (2009) addressed this problem. They suggested several recommendations for future research (Usher & Pajares, 2008b, 2009), including exploring the validity of their scale in …

Why Do I Teach Math This Way: A Qualitative Examination Of How Teacher Experiences Impact The Implementation Of Instructional Practices, Carrie A. Heaney

Master's Theses and Doctoral Dissertations

Since the 1960s, there has been an effort among the mathematical education community to shift instructional practices from a focus on arithmetic, memorizing rules, and completing practice worksheets to instructional practices that allow students to see mathematics as content that requires thinking and pattern explorations. Many mathematics teachers have not fully embraced these shifts in instructional practice. This study aimed to examine secondary mathematics teachers’ experiences and how those experiences connect to teachers’ implementation of student-centered instructional practices in the lessons they design. This qualitative study utilized a grounded theory approach to examine how a teacher’s experiences as a student …

Self- And Socially-Regulated Learning In Middle School Science Classrooms: A Multiple Case Study, Lauren Cabrera

Theses and Dissertations

Students must employ self-regulated learning (SRL) and socially-regulated learning (soRL) in the science classroom, which includes a wide array of independent and collaborative learning activities. However, little is known about how student SRL and soRL co-occur in students’ learning and how the classroom teacher influences that regulation in situ (Cabrera et al., in preparation; Panadero et al., 2015). This explanatory, sequential case study analyzes classroom video data from six middle school science classrooms. The study uses an integrated coding scheme that captures SRL and soRL behaviors, soRL modes, and targets of regulation (Greene & Azevedo, 2009; Hadwin et al., 2018; …

Peer Learning In Introductory Engineering, Kimberly Luthi, Mohua Kar, Lisa Macon

Publications

Observed characteristics of non-traditional student populations: low retention, low grades, low participation, low confidence in mathematical and problem-solving abilities. Research question: Does participation in peer-led team-learning (PLTL) activities support underrepresented and female students’ performance in introductory engineering courses and retention in engineering pathways?

Lay It All On The Line: The Effect Of Teacher-Student Conferencing In Middle Grades Mathematics Classrooms, Natalie Ostrander

Doctor of Education Dissertations

Increasing math achievement continues to be a commonly talked about subject in the educational setting. This case study observes one classroom teacher who implemented teacher-student conferencing in middle grades mathematics classes. The purpose of this study was to reveal the perceived impact of teacher-student conferencing on student engagement and with student achievement. Through a qualitative approach, perceptual data were collected through teacher journaling, conference logs, observations, and an interview. Research occurred in one school district in southeastern North Carolina with middle grades students in sixth and eighth grades. After the qualitative data were collected by me, data were analyzed using …

Examining The Impact Of Online Math Games On Student Performance And Attitudes, Tian Luo, Catherine Hickman, Pauline Muljana

STEMPS Faculty Publications

Low mathematics scores in the U.S. have been pressing the educators to find engaging strategies and effective tools to promote math performance. While emerging technologies, such as digital math games, show promises in improving mathematical education, existing studies have garnered mixed findings and thereby necessitating further investigation. This study aims to examine the impact of skill-based online math games on students’ math performance and attitudes, as well as students’ perceptions of the games. Thirty-eight students ranging from fifth to eighth grade participated in the study. The results showed a mixed picture of the impact of the online games on math …

Mathematical Connections Established In The Teaching Of Functions, Vesife Hatisaru

Research outputs 2022 to 2026

This study explores the types of mathematical connections established in the classroom in the teaching of functions. An extended model for mathematical connections (different representations (DR), procedural (PC), if-then (I-T), part-whole connections (PWC), feature/property (F/P), analogies, and instruction-oriented connections (IOC)) is used as the analytical framework. The context for the study is classroom observations of two secondary mathematics teachers teaching functions to Grade 9 students. The strength of teachers’ mathematical knowledge for teaching (MKT) the concept of function is different: one has stronger MKT, while the other has weaker MKT. A total of 485 connections are identified in a sample …

Providing Virtual Mathematics Feedback: Connecting Research To Practice, David Glassmeyer, Mary Colclasure, Laura Alevy

Georgia Educational Researcher

Feedback is an essential form of communication between the student and teacher. Research has documented the importance of feedback in advancing student mathematical and critical thinking, with renewed recommendations to provide and use feedback in mathematical instruction during the era of COVID-19. Giving personalized feedback in an online environment can be a challenge – especially in a mathematics class. This article summarizes five core principles of feedback, associated strategies for mathematics teachers to provide students virtual feedback, and notes on how we have implemented these strategies in middle school mathematics classes.

Teachers’ Perceptions Of Their Self-Efficacy To Engage Elementary Students In Learning Science, Stacie I. Smith

Walden Dissertations and Doctoral Studies

Science teachers in the local area lacked self-efficacy to teach science and were struggling to engage students in science learning, which resulted in student underachievement. Principals reported that teachers’ lack of self-efficacy in teaching science may be limiting students’ goals for scientific careers. The purpose of this basic qualitative study was to explore teachers’ perceptions of their sense of self-efficacy to teach science and what they thought were the challenges to enhancing student engagement in science. The conceptual framework was Bandura’s theory of self-efficacy, which connects instruction to the confidence teachers possess in the classroom. Data were collected from individual …

Elementary Teachers’ Perspectives Of Direct Instruction With More Rigorous Mathematics Standards, Sharon Denise Taylor

Walden Dissertations and Doctoral Studies

AbstractMajestic County Schools (pseudonym), a large southeastern school district, has implemented changes in instruction to align with more rigorous state and national mathematics standards. The rigor of the new standards has led to changes in instruction to help students master the standards with evidence from the state-wide standardized test. Although the district has made curricular changes, over one-third of the students in Grades 3-5 at Flint Elementary are not mastering grade-level standards. This basic qualitative study focuses on one elementary school within the district. The purpose was to understand how teachers implement direct instruction (DI) strategies in the classroom to …

Blood Stream Infections Related To Hemodialysis Catheter Use, Patricia Goodman

Walden Dissertations and Doctoral Studies

Abstract Hemodialysis is a life-sustaining procedure for patients diagnosed with end-stage renal failure. Most of these patients initiate hemodialysis with a tunneled central venous catheter, with some depending on its use for long-term treatment due to poor vascularity. Catheter-related bloodstream infections in hemodialysis patients are a complication of hemodialysis catheter use with a high morbidity and mortality rate. A quality improvement (QI) project was conducted to answer the practice-focused question of whether the use of chlorhexidine swabs and caps for central venous catheter dressing changes decreased the rate of hemodialysis catheter-related bloodstream infections. Resolution to this problem would benefit the …