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Science and Mathematics Education Commons™
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Articles 91 - 120 of 137
Full-Text Articles in Science and Mathematics Education
Concentration, Amount And Counting By Weighing, Julian Tyson
Concentration, Amount And Counting By Weighing, Julian Tyson
Science and Engineering Saturday Seminars
Concentration, Amount and Counting by Weighing
UMass Amherst STEM Ed Institute Saturday Workshop 2/3/2018
Julian Tyson, Professor Emeritus, Department of Chemistry. Tyson@chem.umass.edu
Session 1. Introductions.
Ice-breaker: The elementarity contest.
Setting the scene: “How much arsenic do we eat?” Why do we want to know? The Consumer Reports articles (Nov 2012 and Nov 2014)
Dealing with really big and really small numbers.
Session 2. Amount, concentration
Solids, liquids and gases. The “parts per” concept.
Session 3. Counting by weighing
The count equation. Rice grains (the bottle content problem), atoms and molecules.. Chemical formulas and balanced chemical expressions. The numbers in the …
Data Analysis Of The Effectiveness Of The L-Sections Of Ma 112, Mil'yonta Williams
Data Analysis Of The Effectiveness Of The L-Sections Of Ma 112, Mil'yonta Williams
Summer Community of Scholars Posters (RCEU and HCR Combined Programs)
No abstract provided.
Labs For Calculus: Learning Through Collaborative Discovery, Ryan Mckinney
Labs For Calculus: Learning Through Collaborative Discovery, Ryan Mckinney
Summer Community of Scholars Posters (RCEU and HCR Combined Programs)
No abstract provided.
Diagnostic Effects Of An Early Mastery Activity In College Algebra And Precalculus, Nathan Wakefield, Joe Champion, Jessalyn Bolkema, Douglas Dailey
Diagnostic Effects Of An Early Mastery Activity In College Algebra And Precalculus, Nathan Wakefield, Joe Champion, Jessalyn Bolkema, Douglas Dailey
Department of Mathematics: Faculty Publications
The purpose of this study was to investigate implementation of an early intervention mastery activity during the first two weeks of college algebra and precalculus courses at a large U.S. public university. Statistical modeling of (N = 935) students’ performance in the courses, including a logistic regression model of pass/fail course achievement with students’ high school rank, ACT Mathematics scores, and performance on the intervention as explanatory variables, suggested significant independent differences in course performance across performance levels on the early mastery activity. An evaluation of diagnostic validity for the model yielded a 19% false negative rate (predicted to …
Model Ai Assignments 2018, Todd W. Neller, Zack Butler, Nate Derbinsky, Heidi Furey, Fred Martin, Michael Guerzhoy, Ariel Anders, Joshua Eckroth
Model Ai Assignments 2018, Todd W. Neller, Zack Butler, Nate Derbinsky, Heidi Furey, Fred Martin, Michael Guerzhoy, Ariel Anders, Joshua Eckroth
Computer Science Faculty Publications
The Model AI Assignments session seeks to gather and disseminate the best assignment designs of the Artificial Intelligence (AI) Education community. Recognizing that assignments form the core of student learning experience, we here present abstracts of seven AI assignments from the 2018 session that are easily adoptable, playfully engaging, and flexible for a variety of instructor needs. Assignment specifications and supporting resources may be found at http://modelai.gettysburg.edu.
Revitalizing Labs For Physics 115, Kayli Wood
Revitalizing Labs For Physics 115, Kayli Wood
Summer Community of Scholars Posters (RCEU and HCR Combined Programs)
No abstract provided.
Connecting The Arcs Motivational Model To Game Design For Mathematics Learning, Mario J. Toussaint, Victoria Brown
Connecting The Arcs Motivational Model To Game Design For Mathematics Learning, Mario J. Toussaint, Victoria Brown
Transformations
Students’ performance in mathematics at all levels of education have not markedly improved for the past few decades. Stakeholders at tertiary institutions have been attempting to remedy this situation by implementing various types of intervention programs designed to increase students’ success in mathematics courses. Technology has been the primary method adopted by many educators to foster student engagement in mathematics. This paper describes an intervention program that uses the ARCS model to develop a serious game intended to increase students’ motivation and engagement in a mathematics course.
Engaging Students In The Practice Of Statistics Through Undergraduate Research, Debra L. Hydorn
Engaging Students In The Practice Of Statistics Through Undergraduate Research, Debra L. Hydorn
Mathematics
As statisticians, we engage in a variety of activities, some of which are regularly integrated into our undergraduate courses. However, the individual courses that comprise a mathematics or statistics degree program might not provide students with experiences in the broader range of activities that define the practice of statistics. To remedy this situation, faculty can consider developing and mentoring undergraduate research projects. This article briefly discusses the skills that comprise statistical practice along with some course and program options for helping students to develop these skills. Then, types of undergraduate research projects in statistics are described to help faculty generate …
Chemists Atwitter, Raychelle Burks, Stephani Page, Kiyomi D. Deards, Joan Barnes
Chemists Atwitter, Raychelle Burks, Stephani Page, Kiyomi D. Deards, Joan Barnes
UNL Libraries: Faculty Publications
Twitter can be used to promote chemists, their work, and their events to other scientists and the general public. From checklists to timelines; how to use Twitter successfully as an individual or institution is discussed. This chapter includes: examples of how the authors have used Twitter, how to find and use common subject tags, tags most used when Tweeting about chemistry and science, and a discussion about measuring success. Knowing when and how to Tweet will help chemists communicate successfully with their peers and the general public in 280 characters or less.
Teaching Chemistry In A Spiral Progression Approach: Lessons From Science Teachers In The Philippines, Joymie R. Orbe, Allen A. Espinosa, Janir T. Datukan
Teaching Chemistry In A Spiral Progression Approach: Lessons From Science Teachers In The Philippines, Joymie R. Orbe, Allen A. Espinosa, Janir T. Datukan
Australian Journal of Teacher Education
As the Philippines moves towards implementing the K-12 curriculum, there has been a mismatch in teacher preparation in science. The present teacher education curriculum prepares science teachers to specialise in a specific field (e.g. integrated science, biology, chemistry, and physics). However, in the K-12 curriculum, they are required to teach all the sciences in a spiral progression approach. Hence, this study analysed the experiences of science teachers in teaching chemistry in the K-12 curriculum in order to identify their challenges and how they are overcoming them. Findings suggest that the teacher’s content, pedagogy, and assessment in chemistry are problematic; specifically, …
Expectations And Experiences In A Modern Physics Laboratory Course, Helen Mae Cothrel
Expectations And Experiences In A Modern Physics Laboratory Course, Helen Mae Cothrel
Master's Theses and Doctoral Dissertations
This study examines students’ expectations for and experiences within a modern physics laboratory course. The course instructor and several students were interviewed using a semi-structured protocol at the beginning (pre) and end (post) of the semester. Interviews were video-recorded, then transcribed to text. This thesis presents the results of three students’ interviews as case studies; their interview transcripts were adapted to a more narrative style for inclusion in this report. An interpretation of each student’s responses from pre- to post-interview is given, followed by conclusions which incorporate all three students’ interviews. Particular attention is paid to students’ ideas about experimenting …
Perturbations Observed In The Orbital Elements Of The Spectroscopic Binary 57 Cygni, Kenneth W. Mclaughlin, Janak Panthi
Perturbations Observed In The Orbital Elements Of The Spectroscopic Binary 57 Cygni, Kenneth W. Mclaughlin, Janak Panthi
Journal of the Iowa Academy of Science: JIAS
We present spectroscopy that confirms periodic Doppler-shifts along with photometry that reinforces a lack of eclipsing in the double-lined spectroscopic binary 57 Cygni. Our spectroscopy concentrates on a range encompassing H-alpha and the helium 667.8 nm line, where we find Doppler-shifts of both stars resolved in the helium line but less so in the broader H-alpha profile. Although we find the radial velocities derived from both lines reasonably consistent, we retained only the helium-line derived velocities for sinusoidal curve-fits to the orbital dependence. The fit-amplitudes specify the ratio of the stellar masses as 1.03 ± 0.05, in agreement with previous …
Math Department Newsletter, 2017-2018, Mathematics Department
Math Department Newsletter, 2017-2018, Mathematics Department
Mathematics Newsletter
No abstract provided.
Gender Fairness Within The Force Concept Inventory, Adrienne Traxler, Rachel Henderson, John Stewart, Gay Stewart, Alexis Papak, Rebecca Lindell
Gender Fairness Within The Force Concept Inventory, Adrienne Traxler, Rachel Henderson, John Stewart, Gay Stewart, Alexis Papak, Rebecca Lindell
Faculty & Staff Scholarship
Research on the test structure of the Force Concept Inventory (FCI) has largely ignored gender, and research on FCI gender effects (often reported as “gender gaps”) has seldom interrogated the structure of the test. These rarely crossed streams of research leave open the possibility that the FCI may not be structurally valid across genders, particularly since many reported results come from calculus-based courses where 75% or more of the students are men. We examine the FCI considering both psychometrics and gender disaggregation (while acknowledging this as a binary simplification), and find several problematic questions whose removal decreases the apparent gender …
Students’ Interpretations Of Categorical Data Using Dynamic Graphical Representations, Adam Eide
Students’ Interpretations Of Categorical Data Using Dynamic Graphical Representations, Adam Eide
Master's Theses and Doctoral Dissertations
Statistical association is an important concept in statistics. An exploratory study examined how students reason about statistical association utilizing graphical representations constructed with CODAP, a dynamic statistical graphing software. Task-based interviews were conducted with three 6th grade students prior to formal instruction. Students’ conceptions of a statistical relationship, proportional reasoning skill level, ability to interpret bivariate categorical graphs (particularly segmented bar graphs and two-way binned plots), and ability to identify association of two categorical variables were all investigated through interview tasks and responses to inquiry. Students were found to have developing proportional reasoning skills and struggled to correctly define and …
Launch-Explore-Summarize In High School Calculus, Nate Mattis
Launch-Explore-Summarize In High School Calculus, Nate Mattis
Honors Theses
Current research on high school calculus instruction indicates that students often possess a procedural knowledge of differentiation and integration as opposed to a conceptual knowledge (Orton, 1983; Ferrini-Mundy & Graham, 1994). Given the prominence of traditional lecture and textbook-based calculus classes in the United States, students are not always given the opportunity to expand their conceptual knowledge of essential calculus concepts. This project introduces calculus students to a more active and communal method of teaching: Launch-Explore-Summarize (LES) (CMP, n.d.). This methodology places students at the center of their learning and emphasizes inquiry-based thinking during a class. Specifically, two LES lessons …
Solutions For Fermi Questions, May 2018: Question 1: Throwing Out Energy; Question 2: Blood Pressure, Larry Weinstein
Solutions For Fermi Questions, May 2018: Question 1: Throwing Out Energy; Question 2: Blood Pressure, Larry Weinstein
Physics Faculty Publications
The article provides answers to questions including the amount of energy wasted when Americans throw out unused ice from their drinks, and why blood pressure is measured on the upper arm.
Using Data Mining To Model Student Achievement On The 4th Grade Timss 2015 Mathematics Assessment: A Five Nation Sudy, Annette M. Siemssen
Using Data Mining To Model Student Achievement On The 4th Grade Timss 2015 Mathematics Assessment: A Five Nation Sudy, Annette M. Siemssen
Open Access Theses & Dissertations
Data mining has been successfully used by financial and retail companies since the mid-1960's to create predictive models and reveal unexpected relationships. However, it remains underutilized as a tool in educational research. Large-scale standardized assessment programs such as the Trends in International Mathematics and Science Study (TIMSS) provide vast amounts of data with the potential for providing new insights in education. Five nations, the Republic of Korea, the United States, Germany, Kuwait, and Kazakhstan were selected based on General Response Style theory to represent a spectrum of cultural backgrounds, from acquiescent to midpoint to individualistic (Hastedt, D. & van de …
Test 2204: John Deere 5090m, Nebraska Tractor Test Lab
Test 2204: John Deere 5090m, 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 …
Test 2197: John Deere 5125r Oc, Nebraska Tractor Test Lab
Test 2197: John Deere 5125r Oc, 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 …
Test 2192: John Deere 5090r Pfc, Nebraska Tractor Test Lab
Test 2192: John Deere 5090r Pfc, 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 …
Test 2207: Challenger Mt743, Nebraska Tractor Test Lab
Test 2207: Challenger Mt743, 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 …
Test 2206: Challenger Mt740, Nebraska Tractor Test Lab
Test 2206: Challenger Mt740, 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 …
Test 2205: Challenger Mt738, Nebraska Tractor Test Lab
Test 2205: Challenger Mt738, 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 …
Test 2203: John Deere 9420rx, Nebraska Tractor Test Lab
Test 2203: John Deere 9420rx, 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 …
Test 2202: John Deere 6215r Autoquad-Plus, Nebraska Tractor Test Lab
Test 2202: John Deere 6215r Autoquad-Plus, 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 …
Test 2201: John Deere 6195r Autoquad-Plus, Nebraska Tractor Test Lab
Test 2201: John Deere 6195r Autoquad-Plus, 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 …
Test 2200a: New Holland Workmaster 70, Nebraska Tractor Test Lab
Test 2200a: New Holland Workmaster 70, 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 …
Test 2200: Case Ih Farmall 70a, Nebraska Tractor Test Lab
Test 2200: Case Ih Farmall 70a, 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 …