Science and Mathematics Education Commons^™

Development And Initial Validation Of The Mindful Self-Regulated Learning Scale (M-Srls), Sarah Wolff

UNLV Theses, Dissertations, Professional Papers, and Capstones

Modern mindfulness is a catch-all term. Just exactly what it looks like within the context of education and how it is taught vastly varies. As such, program fidelity and integrity is questioned. Here a definition of mindful self-regulated learning is proposed and the Mindful Self-Regulated Learning Scale (m-SRLS) is developed. This includes item generation and development, systematic testing of item performance, scale dimensionality, convergent and divergent validity, measurement invariance across groups and subgroups, and scale reliability over a series of five pilot studies and five primary studies using independent samples. The resulting m-SRLS is a context specific measurement tool that …

Health Literacy And The Feasibility Of Using Video-Based Education In The Emergency Department, Jenifer Carvell

UNLV Theses, Dissertations, Professional Papers, and Capstones

Background: The Department of Health and Human Services (HHS) defines health literacy as the degree to which an individual has the capacity to find, understand, and use information and services to inform health-related decisions and actions for themselves and others. In the emergency department (ED), it is estimated that the prevalence of inadequate health literacy can reach as high as 88 percent. There is a need to implement literacy-sensitive interventions in the ED. Purpose: The purpose of this project was to engineer an intervention that explored the feasibility of the use of personal technology to deliver video-based education to adult …

Activity-Based Intervention And One-To-One Correspondence For Children With Developmental Delays, Cyndy Anang

UNLV Theses, Dissertations, Professional Papers, and Capstones

PreK children with developmental delays in inclusive classrooms need access to math interventions helps them develop foundational math skills that are needed to succeed during their K-12 education. Research is significantly lacking that addresses increasing math skills for children with disabilities in PreK classrooms. The purpose of this study was to examine how using activity-based intervention (ABI) increases one-to-one correspondence for children with disabilities in an inclusive classroom. A single subject multiple probe design across participants was implemented to embed one-to-one correspondence math goals into daily routines and preferred activities. The participants of the study were two 3–5-year-old children categorized …

What Can General Chemistry Students Learn From External Representations Of Acid- Base Titrations?, Nicole Baldwin

UNLV Theses, Dissertations, Professional Papers, and Capstones

Laboratory activities are a prevalent and essential part of chemistry learning because of their potential to help students develop problem solving abilities, visualize chemistry concepts learned in lecture, and gain practical skills. However, learning in the laboratory environment is not without its challenges. For example, cookbook-style chemistry laboratories can promote superficial learning, and cognitive overload can result from the study of new concepts and the use of new procedures in this environment. Multiple pedagogies and supports have been developed to address challenges such as these. The current research focuses upon external representations that are commonly used to support learning in …

An Educational Intervention In The Emergency Department For Adults Experiencing Vaso-Occlusive Crisis, Chericka S. Reese-Martin

UNLV Theses, Dissertations, Professional Papers, and Capstones

Background: Sickle cell anemia, often referred to as sickle cell disease (SCD), is an inherited blood disorder that affects millions of people globally and affects more than 100,000 Americans, mostly of African or Hispanic descent. The SCD arises from a genetic defect that alters the structure of hemoglobin. The modified hemoglobin causes red blood cells (RBCs) to become stiff, sticky, and sickle shaped. These deformed RBCs block blood flow, cause severe pain, organ and joint damage and strokes. The sickled cells do not deliver oxygen to organs and tissues as healthy cells do, causing slow, inevitable damage over decades and …

Exploring Teachers’ Beliefs And Practices On Mathematical Discourse For Diverse Students In Inclusive Classrooms, Gloria A. Carcoba Falomir

UNLV Theses, Dissertations, Professional Papers, and Capstones

The recent implementation of rigorous standards in mathematics education has required shifts in classroom practices. Standards-based instruction places large emphasis on students’ conceptual understanding, requiring them to demonstrate high cognitive levels of mastery of the content through communication of their mathematical reasoning. Teachers and students’ mathematical discursive practices in the classroom can lead to meaningful discussions that integrate students’ explanation, justification, and arguments of ideas or claims and understanding of the content. Research on teachers’ discursive practices has shown that (a) teacher talk tends to dominate classroom instruction and (b) classroom discourse lacks frequent opportunities for teacher-student and peer interactions. …

Is Dietary Teaching Via Telehealth Effective In Lowering Hgba1c In Adult Patients With Prediabetes Or Type 2 Diabetes?, Mia Mccallum-Crawford

UNLV Theses, Dissertations, Professional Papers, and Capstones

Prediabetes and Type 2 diabetes mellitus (T2DM) are two common conditions diagnosed in the primary care setting. Both conditions benefit from a healthy lifestyle, managing blood sugar levels, and getting diabetes self-management education and support (DSMES). Within the past two decades, the healthcare community in the US has witnessed a substantial rise in diabetes among adults. Overall, the self-management of diabetes continues to worsen nationally. The purpose of this project is to improve patients’ self-management of both Prediabetes and T2DM through nutrition and show how nutritional counseling via telehealth provided by a nurse practitioner can improve HgbA1C values over 3 …

Measuring Social Studies Teacher Self-Efficacy: Development Of A Valid, Reliable, And Fair Social Studies Self-Efficacy Scale, Leona Calkins

UNLV Theses, Dissertations, Professional Papers, and Capstones

Social studies education provides unique opportunities for students to learn about the democratic process and, more importantly, how to engage in civic life to become active citizens. It is through meaningful social studies education that students are deliberately helped to understand the world, and are provided space to discuss, deliberate, and inquire about problems in the world, both past and present, and then learn how they can work to solve these problems (NCSS, 2013a; Parker, 2008). Considering the role of social studies education in helping develop active citizens, there has been a call for social studies teachers to provide instruction …

Teaching Beliefs And Teaching Practices: A Sequential Mixed Methods Study Of Post-Secondary Mathematics Faculty, Katlyn K. Cox

UNLV Theses, Dissertations, Professional Papers, and Capstones

This mixed methods study explored the relationship between collegiate math instructors’ reported teaching practices, teaching beliefs, and actual teaching practices. Instructors reported their own teaching practices by survey. Qualitative participants were purposively sampled from the quantitative survey results. These qualitative participants presented their teaching beliefs through an initial interview. Afterward, actual teaching practices were confirmed through classroom observations. Lastly, instructors completed reflective interviews to address findings in the previously collected data.Through the survey instrument, this study established common teaching practices of collegiate math instructors. The study identified that on average the post-secondary math instructors in this sample employed between 26 …

How Do Beliefs Come Into Play? An Examination Of The Influence Of Core Conceptions On Science Teachers’ Inquiry Lesson Plan Designs, Mehmet Fatih Dulger

UNLV Theses, Dissertations, Professional Papers, and Capstones

Teaching science through inquiry-based methodologies has been advocated by several governmental and professional organizations (National Research Council [NRC], 2000; NGSS Lead States, 2013); however, their use is not widespread. Why is this? What science teachers do in their classrooms is shaped by their beliefs, especially their beliefs about the nature of science, about the goals and purposes of school science and the goals of teaching science, and about the teaching and learning science. By critically examining these core conceptions and their influence on teacher lesson planning, this study aims to shed light on the role conceptions play when teachers design …

What Do General And Organic Chemistry Students Consider When Making Decisions About Acids And Bases? A Phenomenographic Study, Sarah Wood

UNLV Theses, Dissertations, Professional Papers, and Capstones

Chemistry students often struggle in organic chemistry courses. In fact, these courses are viewed by some as “weed-out” classes. There are many fundamental concepts covered in general chemistry that contribute to students’ ability to succeed in organic chemistry. One of those fundamental topics, and the focus of this study, is the topic of acids and bases. Acid–base topics are featured in both general and organic chemistry courses, and the interests of this study lie not only within the realm of organic chemistry but also general chemistry.

The purpose of this study was to determine both undergraduate general and organic chemistry …

Understanding And Addressing Preservice Elementary Teachers’ Misconceptions In Science Education, Nicole Juliana Thomas

UNLV Theses, Dissertations, Professional Papers, and Capstones

Prior research has demonstrated that both children and adults alike hold misconceptions about various scientific phenomena (Snyder & Sullivan, 1995; Driver et al., 1985). These misconceptions range from a variety of different fields, including astronomy and space science, environmental biology, and geology, among others (Miller & Brewer, 2010; Wandersee et al., 1994; Ritger & Cummins, 1991). Research suggests that the vast majority of misconceptions are formed early in a students’ educational career, and these misconceptions could be held throughout adulthood unless they are sufficiently addressed (Coley & Tanner, 2012; Posner et al., 1982; Nehm & Reilly, 2007; Sadler et al., …

The Development Of Prerequisite Skills And Concepts From Task-Based Interviews In Calculus Students With Low-Levels Of Prerequisite Skills, Nicholas Wong

UNLV Theses, Dissertations, Professional Papers, and Capstones

This task-based interview study examined the development of prerequisite skills and concepts and calculus skill and concepts of students who entered a first-semester calculus course with a low level of prerequisite skills. The participants in this study completed three task-based interviews with two tasks in each interview. The research question addressed by this study was, To what extent do task-based interviews reveal students’ prerequisite skills and conceptual understanding for applications of the derivative and how do these skills and understanding develop for students who have been classified as having low levels of prerequisite skills upon entering a calculus course? The …

Using The Critical Mathematics Pedagogical Framework To Teach Adult Basic Education Learners: A Transformative Convergent Parallel Mixed Methods Study, Matthew D. Gromlich

UNLV Theses, Dissertations, Professional Papers, and Capstones

The goal of this study was to design and implement curricula in the Adult Basic Education classroom that aligned to the Critical Mathematics Pedagogical Framework. Specifically, this study assessed if ABE students’ mathematics anxiety and mathematics self-efficacy ware affected by curricula that aligns to the Critical Mathematics Pedagogical Framework. Using a transformative convergent parallel mixed methods study, this study showed that students taught using CMPF-based lessons specifically reflected on their own attitudes towards mathematics self-efficacy, mathematics anxiety, number positioning, and the need for societal change around mathematical concepts. Both quantitative and qualitative data were analyzed to highlight student reflections and …

A Nomological Network Analysis Of Innovation In Hospitality Education And Industry, Robert H. Rippee

UNLV Theses, Dissertations, Professional Papers, and Capstones

The development of a theory of innovation for hospitality innovation finds heightened importance due to the COVID-19 Pandemic that has unleashed a devastating and sustained disruption on global hospitality and tourism. The problem for research is that the industry lacks a taxonomy for research on innovation in hospitality. This study addresses the gap in understanding the nomological relationship between innovation constructs and the observable manifestations of innovation in the hospitality industry. This study used an emergent basic qualitative design of a phenomenon through data collected in three phases. Two large samples of literature and a series of focus groups comprised …

Epistemic Aspects Of Engineering For K-12 Education, Ezgi Yesilyurt

UNLV Theses, Dissertations, Professional Papers, and Capstones

The recent science education standards placed a special emphasis on engineering design to build a foundation of students’ learning in engineering and enhance their scientific understanding by using engineering as a real-world context. However, the standards documents put a strong focus on engineering design without providing a comprehensive outlook on the features of the engineering discipline. Such an approach could deprive students of the chance to develop disciplinary knowledge and understand the connections between engineering, science, technology, and society. In this respect, the aim of this study was to illuminate the epistemic aspects of engineering for K-12 science and engineering …

Toward Developing A Valid And Reliable Assessment Of Learners’ Nature Of Engineering Views, Erdogan Kaya

UNLV Theses, Dissertations, Professional Papers, and Capstones

Nature of Engineering (NOE) refers to the epistemological beliefs pertaining to engineering (Antink-Meyer & Brown, 2019; Deniz et al., 2019; Hartman & Bell, 2018; Kaya et al., 2017; Pleasants & Olson, 2019). Given that a person’s engineering values and beliefs can affect how that individual perceives not only certain tasks, but also his/her ability to accomplish them, it is important to support pre-college teachers and students in improving their NOE understanding. This continues to be one of the main goals of pre-college Science, Technology, Engineering, and Math (STEM) education, and has become particularly relevant since the release of the Next …

The Impact Of Culturally-Tailored Education On Knowledge And Behavior Related To Screening And Lifestyle Management Of Blood Pressure In African Immigrants, Sarah Erskine

UNLV Theses, Dissertations, Professional Papers, and Capstones

The number of African Immigrants in the United States is increasing. The prevalence of hypertension among Blacks, including African Immigrants are high. In addition to the increased susceptibility to hypertension, lack of disease awareness and unhealthy lifestyle are documented barriers to achieving adequate blood pressure control. The purpose of this project was to determine the impact of implementing a 30-minute, culturally-tailored, evidence based educational session on hypertension to promote knowledge and initiate behavior change in African Immigrants. This was a descriptive, cross-sectional study. Blood pressures were measured and survey instruments such as the Hypertension Evaluation of Lifestyle and Management scale …

Exploring Mathematics Anxiety Of Students At-Risk For Mathematics Difficulties, Sarah Mccarthy

UNLV Theses, Dissertations, Professional Papers, and Capstones

Students in mathematics classrooms are found to experience various levels of stress and anxiety during instructional time. Negative feelings associated with participation in math activities can lead to both physical and emotional manifestations, affecting performance, achievement, and even confidence with the academic subject. Students found to be at-risk for mathematics difficulties have greater risks when it comes to the possible experience of mathematics anxiety. Students with learning disabilities, students needing supplemental interventions, and students who are English learners can experience potential bouts of anxiety and stress, magnifying academic struggles in the math classroom. In addition, academic deficits can intensify levels …

The Experience Of Students With Attention-Deficit/Hyperactivity Disorder During The Transition To Middle School, Hannah M. Berry

UNLV Theses, Dissertations, Professional Papers, and Capstones

The transition to the middle school setting from elementary school has been the subject of research for decades as data shows a decline in academic success, socio-emotional health and motivation for students. There is a lack of research based transitional programs to support the needs of students at this time, specifically those with special needs. Though the name and specific criteria for students with ADHD has shifted, the impact this neurological disability has on students and learning is comprehensive. Symptoms of this disorder reach and affect each part of the student and their school experience, as well as those around …

Implications Of An Iterative Design Experiment In Transcendental And Polynomial Functions Within A Flipped Classroom, Aaron Boyd Harris

UNLV Theses, Dissertations, Professional Papers, and Capstones

This study explores an iterative design research experiment of a flipped mathematics classroom over the span of five curricular units involving big ideas of transcendental and polynomial functions. Transcendental and polynomial functions involve an algebraic, analytic, and graphical approach to the concepts and procedures of exponential, logarithmic, power, cubic, quadratic, linear, and rational functions. The Compleat design research methodology (Middleton, Gorard, Taylor, & Bannan-Ritland, 2008) was used to explore a series of instructional sequences that an instructor implemented in a flipped classroom while teaching big ideas of transcendental and polynomial functions.

The experiment occurred over the course of a sixteen-week …

Implementing A Heart Failure Education Program For Bedside Nurses In The Acute Care Setting, David L. Morrow

UNLV Theses, Dissertations, Professional Papers, and Capstones

Heart failure is a chronic disease in which a weakened heart is no longer able to deliver adequate blood flow to supply the body with needed oxygen and nutrients. Heart failure is the most common reason for hospitalization in the United States for patients age 65 and over, accounting for over 1,000,000 hospital admissions annually. Due to the chronic nature of this debilitating condition and associated symptoms, patients discharged from the hospital with a diagnosis of heart failure are at high risk for readmission. Effective self-care behaviors have been shown to reduce readmissions and improve quality of life for these …

Examining The Training Transfer Practice Of A Financial Institution: An Action Research Study, Maria Lourdes Lourdes Gutierrez

UNLV Theses, Dissertations, Professional Papers, and Capstones

Many organizations rely on training to improve the skills and knowledge of its human resources. The underlying assumption is that employees will use what they learned when they return to the workplace. Although there is evidence that learning occurred it does not always result in transfer (Mosel, 1957). Transfer is an issue of concern for training practitioners. If despite the significant investment no return is realized, then the training is not effective and the investment is wasted. This action research study was conducted in a financial institution in the Southwestern United States. The purpose of this study was to (1) …

A Case Study: Number Apps In Preschool, Amy Beth Adkins

UNLV Theses, Dissertations, Professional Papers, and Capstones

iPads are increasingly present in education. This research explores their role developing fundamental mathematics concepts. It investigates preschoolers’ interactions with mathematics apps, and affordances and constraints accessed. It was conducted over fourteen weeks; students played mathematics apps for thirty minutes a week. The qualitative case study design included participants who varied in mathematics and technological skill. Data was collected through assessments, interviews, questionnaires, videotapes, and artifacts. Results determined that students access constraints or affordances based on ability level. Findings indicate iPads are beneficial tools for preschool classrooms. Preschoolers showed an increase in math ability when using iPads.

Science Identity And Underrepresented Minority Stem Organizations, Schetema Nealy

UNLV Theses, Dissertations, Professional Papers, and Capstones

President Obama indicated that there are twice as many science and technology jobs available in the U.S. as there are workers for those jobs (Office of the Secretary, 2013). To fulfill the need for more scientists and engineers, there must be increased educational support for the nation’s underrepresented minority (URM) science, technology, engineering, and mathematics (STEM) students. URM STEM organizations, such as the National Society of Black Engineers and other URM student-oriented organizations that provide academic and career resources, are widely used on college and university campuses across the nation to support these students both academically and professionally. Future developments …

Beyond The Bench And The Bedside: Examining Women’S Success In Stem Via Active Learning Projects, Sarah E. Thoman

UNLV Theses, Dissertations, Professional Papers, and Capstones

Gender inequality is a persistent challenge in fields related to science, engineering, technology, and math (STEM) in the U.S. The current study aims to advance the literature in a burgeoning area of inquiry by identifying factors that may help to account for women’s success in STEM. To evaluate STEM success, I used a mixed methods design to investigate STEM identity, career identity status, career commitment, and both individual and situational resilience among women undergraduates. Students were engaged in two project-based STEM programs organized at a large, diverse, research intensive university in the Southwest U.S. Associations between resilience and career commitment, …

Exploring The Effectiveness Of Model-Based Instruction To Improve Sixth-Grade Students’ Science Content Knowledge, Scot D. Ewen

UNLV Theses, Dissertations, Professional Papers, and Capstones

The economy of tomorrow is uncertain, so students today need to be prepared for the known and unknown careers that lie ahead. Currently, not all students are expected to have equal career opportunities based on evidence from dropout and testing data (Brown & Brown, 2007; Kirsch, Braun, Yamamoto, & Sum, 2007), so educators should consider different methods of helping all students reach their potential. Modeling instruction is one method that might help diverse learners improve their scientific understandings and allow them to pursue careers in technology-oriented fields. A quasi-experimental study was conducted with 128 sixth grade students as participants. A …

Do I Enact What I Learn?: Examining Novice Science Teachers Approximations Of Practice, Helene Pollins

UNLV Theses, Dissertations, Professional Papers, and Capstones

The purpose of this study was to examine novice secondary science teachers’ enactment of their teaching philosophies in their lesson planning and teaching. The framework was based on three theories: approximations of practice, teachers’ knowledge of content and students (KCS), and experiential learning. The design for this research used a qualitative case study design. The participants were three novice science teachers in a large school district in the Southwestern United States. Data sources included teaching philosophies, three semi-structured interviews, lesson plans, and observations. Three research questions were: what are novice science teachers’ major philosophies at the entry level of teaching; …

Using Two Simulation Tools To Teach Concepts In Introductory Astronomy: A Design-Based Research Approach, Pamela A. Maher

UNLV Theses, Dissertations, Professional Papers, and Capstones

Technology in college classrooms has gone from being an enhancement to the learning experience to being something expected by both instructors and students. This design-based research investigation takes technology one step further, putting the tools used to teach directly in the hands of students. The study examined the affordances and constraints of two simulation tools for use in introductory astronomy courses. The variety of experiences participants had using two tools; a virtual reality headset and fulldome immersive planetarium simulation, to manipulate a lunar surface flyby were identified using a multi-method research approach with N = 67 participants. Participants were recruited …

A Study Of Strengthening Secondary Mathematics Teachers’ Knowledge Of Statistics And Probability Via Professional Development, Lina Devaul

UNLV Theses, Dissertations, Professional Papers, and Capstones

A professional development program (PSPD) was implemented to improve in-service secondary mathematics teachers’ content knowledge, pedagogical knowledge, and self-efficacy in teaching secondary school statistics and probability. Participants generated a teaching resource website at the conclusion of the PSPD program. Participants’ content knowledge change and self-efficacy change were measured. After PSPD, three participants were selected to represent three types of change. Teachers’ classroom instructions were video-taped and analyzed to explore the enactment of PSPD components, such as activities and concepts. Interviews were conducted to assess factors that facilitated teachers’ change and the enactment of PSPD components. Preservice teachers who majored in …