Digital Commons Network^™

Precipitation Is A Strong Predictor Of Airborne Ammonia Levels., Bridger Jorgensen, Casey Olson, Connor Snow

Research on Capitol Hill

USU senior Connor has lived in the Uintah Basin all his life and studies kinesiology. Senior Casey, a Cache Valley native, studies climate science and works at the Utah Climate Center. Junior Bridger, also of Cache Valley, studies nutrition science. They led and funded this project through a student grant. Casey was alarmed by the ammonia data he was collecting at the Climate Center. “I immediately began to wonder how this issue would evolve over the coming decades.” The three teamed up to take a look at how Logan’s record-breaking amount of ammonia in our air is impacting those who …

The Abortion Paradox: How States Fail To Reconcile Their Parens Patriae Duty To Protect Minors With The Lack Of Sexual Assault And Incest Exceptions In Stringent Abortion Regulations, Adina Abrahami

Indiana Journal of Law and Social Equality

No abstract provided.

Soil Health – It's Not All Biology, Mark S. Coyne, E. M. Pena-Yewtukhiw, John H. Grove, A. C. Sant'anna, D. Mata-Padrino

Plant and Soil Sciences Faculty Publications

Soil Health research tends to bias to a biology/microbiology emphasis. We believe this bias neglects important physical and chemical interactions in soil that are crucial to soil function. We offer several examples illustrating this bias, and how it may misrepresent management practices that have the greatest influence on Soil Health. Four suggestions are given as approaches to mitigate this bias. By appreciating soil structure as a foundation for Soil Health and its microbial community, we believe better recommendations can be made to assist the farm community in its stewardship of soil as a critical natural resource.

Crow's Nest, February 7, 2022, Crow's Nest Staff

Crow's Nest

The February 7, 2022, issue of the Crow's Nest.

Differential Effects Of Exercise Programs On Neuregulin 4, Body Composition And Cardiometabolic Risk Factors In Men With Obesity, Ayoub Saeidi, Sevda R. Shishvan, Mohammad Soltani, Fatemeh Tarazi, Patricia K. Doyle-Baker, Shahnaz Shahrbanian, Shirin S. Mollabashi, Nikoo Khosravi, Ismail Laher, Terence A. Moriarty, Kelly E. Johnson, Trisha A. Vandusseldorp, Hassane Zouhal

Kinesiology

Background: Neuregulin 4 (Nrg4) is an adipokine that is sensitive to energy expenditure and with a potential role in metabolic homeostasis and obesity. This study examined the effects of 12 weeks of three different exercise training protocols on Nrg4 levels, cardiometabolic risk factors, and body composition parameters in men with obesity. Methods: Sixty adult men with obesity (Mean ± SD; age: 27.60 ± 8.4 yrs.; height: 168.4 ± 2.6 cm; weight: 96.7 ± 7.2 kg) were randomly allocated into four equal (n = 15) groups: High- Intensity Interval Training (HIIT), Circuit Resistance Training (CRT), Moderate Intensity Continuous Training (MICT) or …

Uplc-Pda-Ms/Ms Profiling And Healing Activity Of Polyphenol-Rich Fraction Of Alhagi Maurorum Against Oral Ulcer In Rats, Noha Swilam, Hala El Zahar, Esther Menze, Heba Handousa, Mohamed El Shazly, Nada Mostafa

Pharmacy

Camelthorn, Alhagi maurorum Boiss, family Fabaceae has long been used in African folk medicine owing to its richness in pharmacologically active metabolites. The crude extract (CEAM), ethylacetatefraction(EFAM)andn-butanol(BFAM)fractionofA.maurorumaerialpartswereinvestigated for their total polyphenols and oral antiulcer activity using in-vitro and in-vivo models. The major phenolic compound was isolated from the polyphenol-rich EFAM fraction and identified by conventional and spectroscopic methods of analysis as isorhamnetin-3-O-rutinoside. Furthermore, standardization of EAFM using UPLC-PDA-UV quantified isorhamnetin-3-O-rutinoside as 262.91 0.57 g/mg of the fraction. Analysis of EFAM using UPLC-PDA-MS/MS revealed tentative identification of 25 polyphenolic compounds. EFAM exhibited the most potent free radical scavenging activity against DPPH, …

Using Low-Fix Rate Gps Telemetry To Expand Estimates Of Ungulate Reproductive Success, Nathan D. Hooven, Kathleen E. Williams, John T. Hast, Joseph R. Mcdermott, R. Daniel Crank, Gabe Jenkins, Matthew T. Springer, John J. Cox

Forestry and Natural Resources Faculty Publications

Background

Population parameters such as reproductive success are critical for sustainably managing ungulate populations, however obtaining these data is often difficult, expensive, and invasive. Movement-based methods that leverage Global Positioning System (GPS) relocation data to identify parturition offer an alternative to more invasive techniques such as vaginal implant transmitters, but thus far have only been applied to relocation data with a relatively fine (one fix every  < 8 h) temporal resolution. We employed a machine learning method to classify parturition/calf survival in cow elk in southeastern Kentucky, USA, using 13-h GPS relocation data and three simple movement metrics, training a random forest on cows that successfully reared their calf to a week old.

Results

We developed a decision rule based upon a predicted probability threshold across individual cow time series, accurately classifying 89.5% (51/57) of cows with a known reproductive status. When used to infer status of …

Factors Associated With Hepatitis B Medication Adherence And Persistence Among Underserved Chinese And Vietnamese Americans, Aisha Bhimla, Lin Zhu, Wenyue Lu, Sarit Golub, Chibuzo Enemchukwu, Elizabeth Handorf, Yin Tan, Ming-Chin Yeh, Minhhuyen T. Nguyen, Min Qi Wang, Grace X. Ma

Publications and Research

Background: Hepatitis B virus (HBV) infection disproportionately affects Asian Amer- icans in the United States, while this population faces low adherence to HBV treatment. Using the information–motivation–behavioral skills model (IMB), the study aims to examine medication adherence and persistence among Chinese and Vietnamese people with HBV. Methodology: Study participants were recruited between March 2019 and March 2020 and were enrolled through multiple recruitment approaches in the Greater Philadelphia Area and New York City. The study is an assess- ment of the baseline data on medication adherence, HBV-related knowledge, motivation of HBV med- ication treatment, self-efficacy about HBV medication treatment, and …

Overview Of The Mosaic Expedition: Snow And Sea Ice, Marcel Nicolaus, Donald K. Perovich, Gunnar Spreen, Mats A. Granskog, Luisa Von Albedyll, Michael Angelopoulos, Philipp Anhaus, Stefanie Arndt, H. Jakob Belter, Vladimir Bessonov, Gerit Birnbaum, Jörg Brauchle, Radiance Calmer, Estel Cardellach, Bin Cheng, David Clemens-Sewall, Ruzica Dadic, Ellen Damm, Gijs De Boer, Oguz Demir, Klaus Dethloff, Dmitry V. Divine, Allison A. Fong, Steven Fons, Markus M. Frey, Niels Fuchs, Carolina Gabarró, Sebastian Gerland, Helge F. Goessling, Rolf Gradinger, Jari Haapala, Christian Haas, Jonathan Hamilton, Henna Reetta Hannula, Stefan Hendricks, Andreas Herber

Graduate School of Oceanography Faculty Publications

Year-round observations of the physical snow and ice properties and processes that govern the ice pack evolution and its interaction with the atmosphere and the ocean were conducted during the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition of the research vessel Polarstern in the Arctic Ocean from October 2019 to September 2020. This work was embedded into the interdisciplinary design of the 5 MOSAiC teams, studying the atmosphere, the sea ice, the ocean, the ecosystem, and biogeochemical processes. The overall aim of the snow and sea ice observations during MOSAiC was to characterize the physical properties …

Transmodel: An R Package For Linear Transformation Model With Censored Data, Jie Zhou, Jiajia Zhang Ph.D.

Faculty Publications

Linear transformation models, including the proportional hazards model and proportional odds model, under right censoring were discussed by Chen, Jin, and Ying (2002). The asymptotic variance of the estimator they proposed has a closed form and can be obtained easily by plug-in rules, which improves the computational efficiency. We develop an R package TransModel based on Chen's approach. The detailed usage of the package is discussed, and the function is applied to the Veterans' Administration lung cancer data.

Race And Ethnic Group Dependent Space Radiation Cancer Risk Predictions, Francis A. Cucinotta, Premkumar B. Saganti

Health Physics and Diagnostic Sciences Faculty Research

Future space missions by national space agencies and private industry, including space tourism, will include a diverse makeup of crewmembers with extensive variability in age, sex, and race or ethnic groups. The relative risk (RR) model is used to transfer epidemiology data between populations to estimate radiation risks. In the RR model cancer risk is assumed to be proportional to background cancer rates and limited by other causes of death, which are dependent on genetic, environmental and dietary factors that are population dependent. Here we apply the NSCR-2020 model to make the first predictions of age dependent space radiation cancer …

Temperature-Induced Multi-Species Cohort Effects In Sympatric Snakes, Richard B. King

Faculty Articles, Papers, and Other Scholarship

In reptiles, reproductive maturity is often determined by size rather than age. Consequently, growth early in life may influence population dynamics through effects on generation time and survival to reproduction. Because reproductive phenology and pre- and post-natal growth are temperature dependent, environmental conditions may induce multi-species cohort effects on body size in sympatric reptiles. I present evidence of this using 10 years of neonatal size data for three sympatric viviparous snakes, Dekay's Brown snakes (Storeria dekayi), Red-bellied Snakes (S. occipitomaculata), and Common Garter snakes (Thamnophis sirtalis). End-of-season neonatal size varied in parallel across species such that snout–vent length was 36%–61% …

Guidelines For Publicly Archiving Terrestrial Model Data To Enhance Usability, Intercomparison, And Synthesis, Maegen B. Simmonds, William J. Riley, Deborah A. Agarwal, Xingyuan Chen, Shreyas Cholia, Robert Crystal-Ornelas, Ethan T. Coon, Dipankar Dwivedi, Valerie C. Hendrix, Maoyi Huang, Ahmad Jan, Zarine Kakalia, Jitendra Kumar, Charles D. Koven, Li Li, Mario Melara, Lavanya Ramakrishnan, Daniel M. Ricciuto, Anthony P. Walker, Wei Zhi, Qing Zhu, Charuleka Varadharajan

Copyright, Fair Use, Scholarly Communication, etc.

Scientific communities are increasingly publishing data to evaluate, accredit, and build on published research. However, guidelines for curating data for publication are sparse for model-related research, limiting the usability of archived simulation data. In particular, there are no established guidelines for archiving data related to terrestrial models that simulate land processes and their coupled interactions with climate. Terrestrial modelers have a unique set of challenges when publishing data due to the diversity of scientific domains, research questions, and the types and scales of simulations. Researchers in the U.S. Department of Energy’s (DOE) projects use a variety of multiscale models to …

Translating Research Into Practice-Implementation Recommendations For Pediatric Rheumatology; Proceedings Of The Childhood Arthritis And Rheumatology Research Alliance 2020 Implementation Science Retreat, Cagri Yildirim-Toruner, Rajdeep Pooni, Y Ingrid Goh, Emily Becker-Haimes, James W Dearing, Maria E Fernandez, Esi M Morgan, Gareth Parry, Jon M Burnham, Stacy P Ardoin, Fatima Barbar-Smiley, Joyce C Chang, Peter Chiraseveenuprapund, Vincent Del Gaizo, Guy Eakin, Lisa C Johnson, Yukiko Kimura, Andrea M Knight, Melanie Kohlheim, Erica F Lawson, Mindy S Lo, Nancy Pan, Andrea Ring, Tova Ronis, Rebecca E Sadun, Emily A Smitherman, Alysha J Taxter, Janalee Taylor, Richard K Vehe, Sheetal S Vora, Jennifer E Weiss, Emily Von Scheven, Mas For The Carra Implementation Science Workgroup

Faculty, Staff and Student Publications

The translation of research findings into clinical practice is challenging, especially fields like in pediatric rheumatology, where the evidence base is limited, there are few clinical trials, and the conditions are rare and heterogeneous. Implementation science methodologies have been shown to reduce the research- to- practice gap in other clinical settings may have similar utility in pediatric rheumatology. This paper describes the key discussion points from the inaugural Childhood Arthritis and Rheumatology Research Alliance Implementation Science retreat held in February 2020. The aim of this report is to synthesize those findings into an Implementation Science Roadmap for pediatric rheumatology research. …

Live-Dead Assay On Unlabeled Cells Using Phase Imaging With Computational Specificity, Chenfei Hu, Shenghua He, Young Jae Lee, Yuchen He, Edward M Kong, Hua Li, Mark A Anastasio, Gabriel Popescu

Open Access Publications

Existing approaches to evaluate cell viability involve cell staining with chemical reagents. However, the step of exogenous staining makes these methods undesirable for rapid, nondestructive, and long-term investigation. Here, we present an instantaneous viability assessment of unlabeled cells using phase imaging with computation specificity. This concept utilizes deep learning techniques to compute viability markers associated with the specimen measured by label-free quantitative phase imaging. Demonstrated on different live cell cultures, the proposed method reports approximately 95% accuracy in identifying live and dead cells. The evolution of the cell dry mass and nucleus area for the labeled and unlabeled populations reveal …

Lipid-Loaded Tumor-Associated Macrophages Sustain Tumor Growth And Invasiveness In Prostate Cancer, Michela Masetti, Roberta Carriero, Federica Portale, Giulia Marelli, Nicolò Morina, Marta Pandini, Marta Iovino, Bianca Partini, Marco Erreni, Andrea Ponzetta, Elena Magrini, Piergiuseppe Colombo, Grazia Elefante, Federico Simone Colombo, Joke M M Den Haan, Clelia Peano, Javier Cibella, Alberto Termanini, Paolo Kunderfranco, Jolanda Brummelman, Matthew Wai Heng Chung, Massimo Lazzeri, Rodolfo Hurle, Paolo Casale, Enrico Lugli, Ronald A Depinho, Subhankar Mukhopadhyay, Siamon Gordon, Diletta Di Mitri

Faculty, Staff and Student Publications

Tumor-associated macrophages (TAMs) are correlated with the progression of prostatic adenocarcinoma (PCa). The mechanistic basis of this correlation and therapeutic strategies to target TAMs in PCa remain poorly defined. Here, single-cell RNA sequencing was used to profile the transcriptional landscape of TAMs in human PCa, leading to identification of a subset of macrophages characterized by dysregulation in transcriptional pathways associated with lipid metabolism. This subset of TAMs correlates positively with PCa progression and shorter disease-free survival and is characterized by an accumulation of lipids that is dependent on Marco. Mechanistically, cancer cell-derived IL-1β enhances Marco expression on macrophages, and reciprocally, …

Overview Of The Mosaic Expedition: Snow And Sea Ice, Marcel Nicolaus, Donald K. Perovich, Gunnar Spreen, Mats A. Granskog, Luisa Von Albedyll, Michael Angelopoulos, Philipp Anhaus, Stefanie Arndt, H. Jakob Belter, Vladimir Bessonov, Gerit Birnbaum, Jörg Brauchle, Radiance Calmer, Estel Cardellach, Bin Cheng, David Clemens-Sewall, Ruzica Dadic, Ellen Damm, Gijs De Boer, Oguz Demir, Klaus Dethloff, Dmitry V. Divine, Tim Stanton, For Full Author List, See Comments Below

Faculty Research, Scholarly, and Creative Activity

Year-round observations of the physical snow and ice properties and processes that govern the ice pack evolution and its interaction with the atmosphere and the ocean were conducted during the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition of the research vessel Polarstern in the Arctic Ocean from October 2019 to September 2020. This work was embedded into the interdisciplinary design of the 5 MOSAiC teams, studying the atmosphere, the sea ice, the ocean, the ecosystem, and biogeochemical processes. The overall aim of the snow and sea ice observations during MOSAiC was to characterize the physical properties …

Evaluating The Effects Of An Lgbtq+ Educational Program On The Attitudes And Knowledge Of Undergraduate Nursing Students, Tonya Haynes, Sheila Grigsby, Alicia Hutchings, Amanda Finely, Keri Jupka, Natalie Murphy

Sigma Foundation for Nursing Research Grant Reports

Members of the LGBTQ population, due to discrimination from the general public as well as healthcare providers, have generally poorer health outcomes than their heterosexual counterparts. Fear of stigma contributes to this community's avoidance of the healthcare system and delays their evaluation until disease is often advanced. On the other side, nurses don't have the skills and knowledge to effectively treat their LGBTQ patients. While nursing education programs have begun including content related to this community, it is often minimal and crammed into curricula that are already packed with content.In an effort to increase knowledge and improve attitudes of nursing …

Srgn-Triggered Aggressive And Immunosuppressive Phenotype In A Subset Of Ttf-1-Negative Lung Adenocarcinomas, Ichidai Tanaka, Delphine Dayde, Mei Chee Tai, Haruki Mori, Luisa M Solis, Satyendra C Tripathi, Johannes F Fahrmann, Nese Unver, Gargy Parhy, Rekha Jain, Edwin R Parra, Yoshiko Murakami, Clemente Aguilar-Bonavides, Barbara Mino, Muge Celiktas, Dilsher Dhillon, Julian Phillip Casabar, Masahiro Nakatochi, Francesco Stingo, Veera Baladandayuthapani, Hong Wang, Hiroyuki Katayama, Jennifer B Dennison, Philip L Lorenzi, Kim-Anh Do, Junya Fujimoto, Carmen Behrens, Edwin J Ostrin, Jaime Rodriguez-Canales, Tetsunari Hase, Takayuki Fukui, Taisuke Kajino, Seiichi Kato, Yasushi Yatabe, Waki Hosoda, Koji Kawaguchi, Kohei Yokoi, Toyofumi F Chen-Yoshikawa, Yoshinori Hasegawa, Adi F Gazdar, Ignacio I Wistuba, Samir Hanash, Ayumu Taguchi

Faculty, Staff and Student Publications

BACKGROUND: Approximately 20% of lung adenocarcinoma (LUAD) is negative for the lineage-specific oncogene Thyroid transcription factor 1 (TTF-1) and exhibits worse clinical outcome with a low frequency of actionable genomic alterations. To identify molecular features associated with TTF-1-negative LUAD, we compared the transcriptomic and proteomic profiles of LUAD cell lines. SRGN , a chondroitin sulfate proteoglycan Serglycin, was identified as a markedly overexpressed gene in TTF-1-negative LUAD. We therefore investigated the roles and regulation of SRGN in TTF-1-negative LUAD.

METHODS: Proteomic and metabolomic analyses of 41 LUAD cell lines were done using mass spectrometry. The function of SRGN was investigated …

Hepatic Transcriptomic And Histopathological Responses Of Common Carp, Cyprinus Carpio, To Copper And Microplastic Exposure, Seyyed Morteza Hoseini, Kave Khosraviani, Delavar F Hosseinpour, Mohammad Arghideh, Fatemeh Zavvar, Seyed Hossein Hoseinifar, Doan H Van, Erfan Zabihi, Miriam Reverter

School of Biological and Marine Sciences

The combined effects of copper and polyvinyl chloride (PVC) microparticles were investigated on the metal accumulation, histopathological biomarkers, and targeted transcriptomics in Cyprinus carpio liver. The fish were exposed to 0.25 mg/L copper and/or 0.5 mg/L PVC microparticles over a 14-d period. The results showed that hepatic copper accumulation is facilitated by the PVC microparticles presence in water. All treatments induced significant hepatic stress and inflammation; however, the transcriptional responses involving in detoxification pathways and apoptotic mechanisms were mixed and often down-regulated in the fish exposed to copper and/or PVC microparticles. Exposure to copper and/or PVC microparticles induced hypermeia, leukocyte …

Intouch February 7, 2022, New York Medical College

InTouch

• Chioma M. Okeoma, Ph.D., Named Vice Chair of Research in the Department of Pathology, Microbiology and Immunology
• The Best of Both Worlds: Chandra Shekhar Bakshi, DVM, Ph.D., Lives His Passion for Research and Teaching
• Keerthana Jayaseelan, SOM Class of 2023, Hopes to One Day Give Back to Her Hometown in India

Retinal Horizontal Cells Use Different Synaptic Sites For Global Feedforward And Local Feedback Signaling, Christian Behrens, Shubhash Chandra Yadav, Maria M Korympidou, Yue Zhang, Silke Haverkamp, Stephan Irsen, Anna Schaedler, Xiaoyu Lu, Zhuohe Liu, Jan Lause, François St-Pierre, Katrin Franke, Anna Vlasits, Karin Dedek, Robert G Smith, Thomas Euler, Philipp Berens, Timm Schubert

Faculty, Staff and Students Publications

In the outer plexiform layer (OPL) of the mammalian retina, cone photoreceptors (cones) provide input to more than a dozen types of cone bipolar cells (CBCs). In the mouse, this transmission is modulated by a single horizontal cell (HC) type. HCs perform global signaling within their laterally coupled network but also provide local, cone-specific feedback. However, it is unknown how HCs provide local feedback to cones at the same time as global forward signaling to CBCs and where the underlying synapses are located. To assess how HCs simultaneously perform different modes of signaling, we reconstructed the dendritic trees of five …

How Does N Fertilization Or Forage Legumes Affect Forage And Animal Production?, B. G. C. Homem, I. B. G. Lima, P. P. Spasiani, José C. B. Dubeux Jr., R. M. Boddey, D. R. Casagrande

IGC Proceedings (1977-2023)

Livestock grazing in tropical climates is characterized by low productivity. Forage and animal production can be improved by applying nitrogen (N) fertiliser or using forage legumes. This 2.5-yr study assessed the canopy structure and productivity of beef cattle grazing either a mixed pasture of Brachiaria brizantha cv. Marandu (palisadegrass) and Arachis pintoi (forage peanut) cv. BRS Mandobi or a Marandu palisade grass monoculture with or without N fertilisation. The experiment was carried out in Southeast Brazil, where the canopy structure (herbage mass) and animal productivity (stocking rate and liveweight gain per ha) were compared for three types of pastures: 1) …

Managing Vegetation In Grasslands Habitats To Meet Livestock Or Wildlife Objectives, B. Sleugh, S. Flynn, D. C. Cummings, W. Hatler, D. Hillger, C. Hart

IGC Proceedings (1977-2023)

Sustainably stewarding grassland systems involves applying various practices to manipulate forage interactions with other plants, the environment, and grazing animals to meet resource manager objectives. These interactions can result in invasion or encroachment and increased abundance of weeds which hinder attainment of management objectives. Weeds influence the structure and function of pasture ecosystems whether forages are grown in improved pastures, rangeland, or grassland communities. They degrade pasture quality and reduce livestock performance by interfering with forage establishment, yield, and quality by competing for resources. Weeds reduce the feed value of forage, decrease pasture carrying capacity, and can be toxic or …

Long-Term Changes In Dry Matter Yield In Variety Trials Of Forage Species In Sweden, Magnus A. Halling

IGC Proceedings (1977-2023)

Using results from official variety testing in Sweden, long-term changes (1964-2018) in total annual dry matter (DM) yield for pure stands of red clover (Trifolium pratense) and timothy (Phleum pratense) were analysed and compared for two Swedish trial site areas: a central area (59.6-61.5°N) and a southern area (55.5-57.0°N). All trials were managed using a standard protocol, with only minor changes over time. On average for all varieties of timothy in the trials, there was an increase of 91.6 kg ha^-1 in total DM yield in the first harvest year, probably due to genetically improved …

Kentucky’S Comprehensive Outreach Program For Horse Pasture Management And Education, Krista Lea, S. Ray Smith

IGC Proceedings (1977-2023)

The University of Kentucky (UK) Horse Pasture Evaluation Program began in 2005 to improve pasture quality and quantity on Kentucky horse farms. This on-farm program collects detailed data of pasture species composition, tests for tall fescue (Schedonorus arundinaceus (Schreb.) Dumort.) toxicity, and provides farm managers with comprehensive recommendations for management. Species composition is determined using the occupancy method. In 2019, the UK Horse Pasture Health Score Card was developed to provide useful, survey-level information on pastures and allow evaluators to cover far more acres in less time, requiring fewer resources. The objective of this research was to compare accuracy …

Glycogen Kinetics Of Wistar Rats: Different Exercise Intensities And Tissue Analyzed Influence, Carlos Dellavechia De Carvalho, Carlos Augusto Kalva-Filho, Alisson Luiz Da Rocha, Adelino Sanchez Ramos Da Silva, Marcelo Papoti

International Journal of Exercise Science

International Journal of Exercise Science 15(2): 289-299, 2022. The aim of this study is to verify the influence of the intensity on muscle and hepatic glycogen depletion and recovery kinetics of Wistar rats, submitted to three acute training sessions with equalized loads. 81 male Wistar rats performed an incremental test to determine maximal running speed (MRS) and divided into 4 groups: baseline group (Control; n = 9); low intensity training session (G_Z1; n = 24; 48 minutes at 50% of MRS); moderate intensity group (G_Z2; n = 24; 32 minutes at 75% of MRS) and high …

فاعلية استخدام استراتيجية الخرائط الذهنية في تنمية المهارات الإبداعية لحل المشكلات لدى تلامذة الصف الرابع الأساسي في مادة العلوم. Effectiveness Of Using Mind Maps Strategy In The Development Of Creative Skills To Solve Problems Among Students In The Fourth Grade Basic Science, رغداء نعيسة, أحمد الربعاني

Association of Arab Universities Journal for Education and Psychology

هدف البحث إلى تعرّف فاعلية استخدام استراتيجية الخرائط الذهنية في إكساب تلامذة الصف الرابع الأساسي المهارات الإبداعية في حلّ المشكلات في مادة العلوم وحدة \\\"البيئة وتكيف الأحياء\\\". وتعرّف دلالة الفروق الإحصائية بين درجات التلامذة في اختبار المهارات الإبداعية في حلّ المشكلات وفق متغيري البحث: (الجنس، طريقة التدريس). وتكوّنت عينة البحث من (50) تلميذاً وتلميذة، توزّعوا على مجموعتين (25) تلميذاً وتلميذة في المجموعة الضابطة، و(25) تلميذاً وتلميذة في المجموعة التجريبية. وقام الباحثان بتصميم وحدة درسية في مقرّر العلوم باستخدام استراتيجية الخرائط الذهنية، وتصميم اختبار للمهارات الإبداعية في حلّ المشكلات. وخلص البحث إلى النتائج الآتية: 1-إنّ البرنامج التدريبي المقترح وفق استراتيجية الخرائط …

فاعلية التدريس القائم على التصميم الهندسي في تنمية الميول المهنية نحو العلوم والتكنولوجيا والهندسة والرياضيات (Stem) لدى طالبات الصف الثامن بسلطنة عمان. The Effectiveness Of Engineering –Based Instruction In Developing Career Interests Towards Science, Technology, Engineering And Math (Stem) Among 8th Grade Student In Oman, مروة الهنائية, سلمان البلوشي

Association of Arab Universities Journal for Education and Psychology

هدفت الدراسة الحالية إلى تقصّي فاعلية التصميم الهندسي في تنمية الميول المهنية نحو العلوم والتكنولوجيا والهندسة والرياضيات (STEM) لدى طالبات الصف الثامن في سلطنة عُمان. وتكوّنت عينة الدراسة من (48) طالبة تم توزيعهن إلى مجموعتين تجريبية ضمّت (23) طالبة تمّ إلحاقهن ببرنامج خاص قائم على التصميم الهندسي، ومجموعة ضابطة لم يتمّ إضافة أي برنامج خاص بالتصميم الهندسي لها، وضمّت (25) طالبة. كشفت النتائج عن وجود فروق ذات دلالة إحصائية عند مستوى دلالة (α ≤ 0,05) بين متوسّطات أداء المجموعتين التجريبية والضابطة في الميول المهنية المرتبطة بمجال الهندسة لصالح المجموعة التجريبية، بينما لم تظهر فروق دالّة إحصائيا في الميول المهنية المرتبطة …

مستوى الثقافة العلمية لدى معلمي الأحياء في المرحلة الأساسية العليا ومدى ممارستهم لها في تدريسهم. The Level Of Scientific Culture Among Biology Teachers Of The Upper Basic Stage And The Extent Of Their Practice Of It In Their Teaching, حسين علي حسين

Association of Arab Universities Journal for Education and Psychology

هدفت هذه الدراسة إلى الكشف عن مستوى امتلاك مكونات الثقافة العلمية الأربعة لدى معلمي الأحياء للمرحلة الأساسية، ومدى تضمينهم لها في تدريسهم، ولتحقيق هدف الدراسة، تم إعداد اختبار لقياس مستوى الثقافة العلمية لدى معلمي الأحياء، بالإضافة إلى إعداد بطاقة ملاحظة تم من خلالها تعرّف مستوى ممارسة معلمي الأحياء الثقافة العلمية في تدريسهم، تكونت من (21) فقرة، وتم تطبيق الاختبار على مجتمع الدراسة الكلي الذي تكون من (67) معلماً في مديرية لواء قصبة عمان، وقد أظهرت النتائج أن مستوى الثقافة العلمية وممارستها لدى معلمي الأحياء عموماً ضعيف، ووجود فروقات ذات دلالة إحصائية في مستوى المعرفة العلمية، والعلم وتكنولوجيا المجتمع، يعزى لمتغير …