Education Commons^™

Publications And Other Works By R. F. Diffendal, Jr., Robert F. Diffendal Jr.

School of Natural Resources: Faculty Publications

Articles
Chapters in Books
Books
Field Guides
Geologic Maps
Other Maps
Cover Photographs
Other Photographs
Newspaper and Other Articles
Test-Hole Logs
Television Programs
Geonotes
Abstracts
Reviews
Manuscripts Accepted (A), Submitted (S), or in Preparation (P)
Geologic Maps in Press
Geologic Maps-Nebraska
Public Documents
Miscellaneous Publications
Editing

Updated March 2024

Mentoring Student Teachers For Ambitious And Inclusive Science Teaching, Elizabeth B. Lewis, Elizabeth Hasseler, Karen Covil, Amy Tankersley, Susan Frack

Department of Teaching, Learning, and Teacher Education: Faculty Publications

Introduction: TPP Problem of Practice

Preparing Science Teachers for Teaching in Culturally Diverse Schools ● National average of 70% higher science teacher turnover in Title I versus non-Title I schools (Carver-Thomas & Darling-Hammond, 2017). ● Mismatch between teacher and student demographics; national teacher workforce is overwhelmingly white (and female) and a student population that has become increasingly racially and ethnically diverse. ● Longer, supervised teacher preparation internships have been linked to higher retention rates of new teachers (Carver-Thomas & Darling-Hammond, 2017), but… with more science teachers retiring, there are also fewer master science teachers to mentor preservice teachers.

Context: Our …

Initial Growth Of Inclusive Knowledge And Leadership Practices By Science Education Teacher-Leaders, Elizabeth B. Lewis, Elizabeth Hasseler, Rachel Benzoni, Gina S. Matkin

Department of Teaching, Learning, and Teacher Education: Faculty Publications

Introduction & Rationale for Study

● Science teachers are integral to the success of science education reform. ● Science education needs leaders from all parts of the field and system. ● However, science teachers have not been well-positioned for leadership.

Grant-funded Project & Study Focus

Project Phases, Objectives, & Timeline

Conceptual Framework

ACESSE Framework for Equitable Science Learning

Literature Review

Methodology: Approach, Research Question, & Participants, Data Sources & Analytic Methods

Noyce MTFs’ Science Teaching Experience & Certifications

MTFs’ School and District Demographics

Summary of MTFs’ Most Common Leadership Activities

Research Instrument and Analytic Lens

Cohort 1 & 2 Baseline …

Investigating Preservice Secondary Teachers’ Understanding And Enactment Of The Standards‑Based Practices During Microteaching, Deepika Menon, Diana S. Chang, Rosetta W. Ngugi

Department of Teaching, Learning, and Teacher Education: Faculty Publications

Reform efforts in K–12 science education have been gaining pace ever since the introduction of the Next Generation Science Standards (NGSS). The new vision calls for reconsidering teacher preparation programs to prepare future teachers who are confident and competent in delivering NGSS-based instruction. This study investigated the development of 27 preservice secondary science and mathematics teachers’ (PSTs’) knowledge and skills as they understand, interpret, and implement the NGSS, particularly science and engineering practices (SEPs), within the context of microteaching during a STEM methods course. Primary data sources include 12 videos of 40-minute-long microteaching lessons, self-reflections, semistructured and focus-group interviews, and …

Network Science: Activity Guide Introduction

Worlds of Connections Resources

Welcome to the Worlds of Connections network science activity guides. We are

happy to share our fun, engaging, and hands-on activities and hope you enjoy them. College students, teachers, middle school youth in afterschool programs, learning researchers, artists/designers, psychologists, and sociologists helped create these guides over several years. We suggest that you use them to build community in clubs, classrooms, and camps; develop systems thinking and network science knowledge; plus promote curiosity and opportunities to discover.

Steps For Starting A Professional Learning Community (Plc): A Literature Review, John T. Sutton

PROSPECT S-STEM

There are a number of steps that can influence and inform the creation, development, and growth of a professional learning community (PLC). It isn’t necessary to use a lock-step approach, rather it is cyclical and evolving. The steps take into consideration and accommodates the context of the institution and the need to improve for a variety of reasons. The steps allow for quick wins and changes that require significant time, research, and resolution. Always with a plan that reflects member and institutional priorities. It is hoped that by identifying what has been consistently identified as important steps to the success …

Concepts In Animal Parasitology: Master Bibliography, Sue Ann Gardner

Concepts in Animal Parasitology Textbook

Master bibliography for the open educational resource/open access textbook Concepts in Animal Parasitology, Scott L. Gardner and Sue Ann Gardner, editors, published by Zea Books, Lincoln, Nebraska, United States, 2024. This includes the references from literature cited and suggested supplemental reading.

Positioning Undergraduate Learning Assistants In Instruction: A Case Study Of The La Role In Active Learning Mathematics Classrooms At The University Of Nebraska-Lincoln, Rachel Funk

Department of Mathematics: Dissertations, Theses, and Student Research

Research suggests learning assistant (LA) programs can be a change lever to support the institutionalization of active learning in postsecondary education. Some research suggests LAs offer unique benefits for STEM courses, independent from other change levers, but more research needs to be done to understand how LAs support active learning classrooms, specifically in mathematics. Research on mathematics instruction and the use of reform resources suggests that the successful implementation of reforms is impacted by perceptions individuals hold about that resource, such as the LA role. Yet, there is little research about the LA role in mathematics, particularly where the instructor …

Learning To Teach Prospective Elementary Teachers: A Narrative Inquiry Of A Newer Mathematics Content Instructor, Kelsey Quaisley

Department of Teaching, Learning, and Teacher Education: Dissertations, Theses, and Student Research

Learning to teach mathematics content courses designed for prospective elementary teachers (PTs) is challenging. Mathematics content instructors must be prepared to not only teach mathematics content, but engage PTs in understanding children’s mathematical thinking strategies, learning trajectories, and misconceptions (Carpenter et al., 1996; Carpenter & Moser, 1982; I et al., 2020). When considering how instructors might best be prepared and supported, however, one must recognize that there is significant variation in the backgrounds and expertise of mathematics content instructors (Masingila et al., 2012; Yow et al., 2016) and little is known about the preparation, knowledge, and experiences of mathematics content …

The Impact An Inquiry-Based Learning Professional Development Has On Science And Agricultural Teachers' Intent To Use Animal Science Concepts As A Context For Teaching Science, Kasey Harmon

Department of Agricultural Leadership, Education and Communication: Dissertations, Theses, and Student Scholarship

There is an emerging need for Tennessee and Nebraska high school students to increase their science proficiency. It is important that students are science literate to equip them with basic science skills needed for the workforce. Science literacy enables students to problem solve efficiently, appropriately assess societal issues, and make informed decisions. Inquiry-based learning (IBL) is a teaching strategy that has been shown to positively impact students’ ability to critically think and make informed decisions. Since IBL and agricultural education are centered around experiential learning, combining them gives students the opportunity to learn science in a real-world context. However, previous …

Exploration Of The Lived Experiences Of Native American Science Teachers Of The Great Plains: A Narrative Inquiry, Uma Ganesan

Department of Teaching, Learning, and Teacher Education: Dissertations, Theses, and Student Research

The complicated history of the education of Native American children through U.S. government-sponsored practices has led to the elimination of the Native children’s sense of Indian identity, culture, and language (Noel, 2002). In addition, increased emphasis on standardization and high-stakes accountability under the No Child Left Behind Act of 2001 has resulted in less culturally responsive educational efforts and more Indigenous students left behind in school systems (Castagno & Brayboy, 2008). This has led to Indigenous students being underrepresented in science, technology, engineering, and mathematics (STEM) fields where they account for only 3% of STEM workers (Fry, Kennedy, & Funk, …

Classroom Social Support: A Multiple Phenomenological Case Study Of Mathematics Graduate Teaching Assistants’ Decision Making In The Classroom, Brittany Johnson

Department of Mathematics: Dissertations, Theses, and Student Research

Research suggests that support offered by an instructor can have a significant impact on the student experience, both in terms of classroom performance and affective well-being. Research also suggests that there are different types of support that instructors can offer (e.g., emotional support, instrumental support, informational support, and appraisal support). Although such research suggests that students perceive and are affected by these different types of support in different ways, there does not appear to be research surrounding the decision-making process behind instructors offering the support or the extent to which social support is a priority for them in the classroom. …

Multiple Case Study Of Science And Engineering Integration In Secondary School Across Six School Districts, Elizabeth Hasseler, Elizabeth B. Lewis

Department of Teaching, Learning, and Teacher Education: Faculty Publications

A multiple case study was conducted to investigate six districts’ approaches to integrating science and engineering curricula in their secondary education programs. Data collected included classroom observations, interviews with teachers and administrators, college transcripts, professional development, and curriculum, as well as how, and how district personnel supported, and teachers enacted classroom instruction to align with the Next Generation Science Standards (NGSS). Six districts were chosen due to their ranges in their size, urban or rural context, and demographics. There were 25 participants in the study who were either district personnel or secondary teachers. All school districts in the study incorporated …

Test 2240: Kubota M8-231, 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 …

Math Education Project And Rso Creation, Keegan Oldani

Honors Theses

Reflection on Math Education Senior Honors Project and RSO Creation

A Collection Of Calculus Lesson Plans: Deriving The 'Why' Behind Derivatives, Kasey Brabec

Honors Theses

The traditional mathematics classroom is led with a focus on procedural understanding, with deep conceptual understanding considered to be unimportant or too difficult to teach within the allotted time. Both levels of understanding are important mathematical competencies, as it is rare for either of them to function well without accessibility to the other. The disparity between conceptual understanding and procedural understanding in the mathematics classroom is no larger than in courses like Calculus. This project is a collection of fifteen lesson plans constructed with an emphasis on conceptual understanding and the connectivity of Calculus. Each lesson plan’s overview contains the …

Comparison Of Rural And Urban High School Science And Engineering Integration In Two School Districts, Elizabeth Hasseler, Elizabeth B. Lewis

Department of Teaching, Learning, and Teacher Education: Faculty Publications

A comparative case study was conducted in an urban and rural district, focusing on how science and engineering were integrated into the high school programs. This led to the recommendation for districts to provide collaboration and mentorship opportunities that support teachers integrating engineering into their classrooms.

Session presider: Omah Williams-Duncan

Advisor: Beth Lewis

Committee members: Gwen Nugent, Justin Olmanson, Heidi Diefes-Dux

Nebraska Voices Survey Methodology Report; Including Missing Data Handling And Creating A Raked Weight Variable Using Iterative Proportional Fitting, Joseph C. Jochman, Julia Mcquillan, Grace Kelly, Patricia Wonch Hill, Meghan Leadabrand

Worlds of Connections Resources

To gain a comprehensive picture of the surveys that this methodology report references, see the Bureau of Sociological Research methodology reports for each survey available at this link. In the original survey reports the Bureau of Sociological Research staff provide descriptions of data collection, sampling and questionnaire design, response rate, data processing, and preliminary data cleaning. Introduction This report outlines the process of creating a raked weight variable for the NebrASKa Voices 2020 survey, a second “Wave 2” survey following four different “Wave 1” surveys. The 2020 NebrASKa Voices sample Wave 1 prior Nebraska Annual Social Indicators Surveys (NASIS) come …

Network Science: Hoop Network. Activity Guide For Facilitators, Worlds Of Connections Sepa

Worlds of Connections Resources

Crosscutting Concept 4. Systems and system models. A system is an organized group of related objects or components; models can be used for understanding and predicting the behavior of systems.

Objective: Youth will demonstrate how parts of a network are interdependent.

This guide is designed to give activity leaders the core themes for using network models to analyze systems. The basic network ideas and skills in this activity can be used in numerous career paths to study patterns of behavior and reveal hidden connections. Sociologists, computer scientists, biologists, anthropologists, engineers, neuroscientists, and many others can use network science in their …

Network Science: String Network. Activity Guide For Facilitators, Worlds Of Connections Sepa

Worlds of Connections Resources

Crosscutting Concept 4. Systems and system models. A system is an organized group of related objects or components; models can be used for understanding and predicting the behavior of systems.

Youth will understand and demonstrate the importance of building and recognizing connections in a community. They will make a network model that reveals connections that may seem invisible until youth trace them. Youth will learn about the concept of ‘six degrees of separation/small worlds’ (i.e., how we may be connected to people far away through our friends’ friends).

Network Science: Me & My Network. Activity Guide For Facilitators, Worlds Of Connections Sepa

Worlds of Connections Resources

Crosscutting Concept 4. Systems and system models. A system is an organized group of related objects or components; models can be used for understanding and predicting the behavior of systems.

Objective -- Youth will model their social connections as systems related to their identities. Youth will be able to understand the social relationships in their lives as part of social systems related to their identities and model these social systems as ego-networks.

Decline Is Not Inevitable: Changes In Science Identity During The Progression Through A U.S. Middle School Among Boys And Girls, Julia Mcquillan, Patricia Wonch Hill, Joseph C. Jochman, Grace Kelly

Worlds of Connections Resources

In the United States, science capital is important for navigating many aspects of life. Yet during middle school, science interest declines more for girls than boys. It is unclear, however, whether science identity also declines during the middle school years and if there are differences by gender. The authors advance prior research by modeling changes in science identity and associations with changes in identity-relevant characteristics using growth curve analyses on four waves of data from 760 middle school youth. For girls and boys, science identity changes over time; about 40 percent of the variance is within-person change, with the remainder …

Network Science: Eye Spy Networks, Worlds Of Connections Sepa

Worlds of Connections Resources

Next Generation Science Standards* Crosscutting Concept 4. Systems and system models. A system is an organized group of related objects or components; models can be used for understanding and predicting the behavior of systems.

Youth will identify components of network graphs and interpret relationships modeled by the network graphs. They will develop curiosity (ask questions) about why there are connections in some places and not in other places; why there are different colors; shapes, and sizes, and how/if the model helps us understand the phenomenon.

Lps–Unl Science Connector Directory 2023, Worlds Of Connections Sepa

Worlds of Connections Resources

2nd Floor, Morrill Hall

1. Plants Get Sick Too ▪ Clemencia Rojas

2. Energy and Nanoscience ▪ Shudipto Dishari

3. ChatGPT and the Limits of AI ▪ M. R. Hasan

4. Polymer Science & Engineering ▪ Mona Bavarian

5. Nebraska Nanoscale Energy Engineering ▪ Mohammad Ghashami

6. Astronomy Curriculum Tools ▪ Kevin Lee

7. You Scratch My Back, I'll Scratch Yours: Microbial Interactions in Extreme Environments! ▪ Wayne Riekhof

8. Nanotechnology and Biological Sensors ▪ Nicole Iverson

9. Origins of Magma ▪ Lynne Elkins

10. Funsize Physics ▪ Shireen Adenwalla

11. Cell Collective: Integrate Cutting Edge Technology Into Your Classroom …

Network Science: Core Concepts

Worlds of Connections Resources

Visualization, interdependence, position, and scope are core themes for using network models to analyze systems. A network 1) is a set of relationships, 2) shows how things are connected, and 3) reveals hidden information.

Entomology Outreach Presentations To Four Audiences, Michael Goldman

Department of Entomology: Distance Master of Science Projects

I proposed that my master’s Project would be outreach on Entomology at four levels: School aged children, laymen, non-entomologists in a technical field, and entomologists. The idea here is basically how to talk about entomology to varying levels of expertise, from first graders to experts in both entomology and occupational health and safety. Presentations were given to audiences at each of the four levels. The specific topics varied for each audience. The determination was made by the inviting audience in the cases of school aged children and adult laymen and by me in the cases of Occupational Safety and Health …

Preservice Elementary Teachers Conceptions And Self-Efficacy For Integrated Stem, Deepika Menon, Deef A. A. Shorman, Derek Cox, Amanda Thomas

Department of Teaching, Learning, and Teacher Education: Faculty Publications

Educational reform efforts have emphasized preparing highly competent and confident preservice teachers to deliver effective K-12 Science, Technology, Engineering, and Mathematics (STEM) instruction. Self-efficacy is a key variable that influences motivation and performance, and therefore it is necessary to support the development of preservice teachers’ integrated STEM teaching self-efficacy. This mixed-methods study investigates how preservice elementary teachers’ integrated STEM teaching self-efficacy is shaped during their participation in a newly redesigned STEM semester consisting of three concurrent methods courses (science and engineering, mathematics, and technology methods courses). The quantitative data sources included the Self-efficacy for Teaching Integrated STEM instrument administered as …

A Short Introduction To Marine Parasitology: Marine Parasites Of Economic And Medical Importance, Klaus Rohde, Robin M. Overstreet

Concepts in Animal Parasitology Textbook

Introduction

Parasitism, in this chapter, is defined as “a close association of two organisms, in which one—the parasite—depends on the other—the host—deriving some benefit from it. The benefit is often food” (Rohde, 2005b). Many bacteria, viruses, and fungi are parasitic but usually not studied by parasitologists sensu stricto; they are the domain of microbiologists. Parasites as defined here do not always harm their host; the border between so-called genuine parasites and other symbionts such as commensals is often blurred, and investigators who work on disease aspects tend to emphasis the pathogenic aspects and may not consider non-pathogenic species as truly …

Discoverinsects.Com: An Interactive Tool To Introduce Younger Audiences To Entomology, Ian Eldred

Department of Entomology: Distance Master of Science Projects

Early in life, children’s views towards arthropods can be tainted by many things. One major way is through the views held and expressed by those that surround them, especially their caregivers. Tools are needed to reach children during these crucial developmental ages and expose them to all of the wonderful things arthropods do and educate them on how big of a role arthropods play in the lives of every human around the globe. As digital technology in households is becoming more apparent and accessible, new ways to engage these audiences need to be developed and utilized. This creates a unique …

"Entomology In Citizen Science" Course Materials, Kristen A. Lewis

Department of Entomology: Distance Master of Science Projects

"Entomology in Citizen Science" introduces students to entomology in literature, in science articles and studies, and in inquiry-based field experiences. Students engage in citizen science by surveying arthropods in the local environment and posting pictures on iNaturalist. Arthropod surveys conducted in this course will serve as baseline biodiversity measures and will be continued and added to by future classes. Written, visual, and mathematic expression are taught in this course, and course objectives align with the Benchmarks for Science Literacy Project 2061 (American Association for the Advancement of Science; 1993).

Includes numerous supplemental materials.