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Articles 1 - 13 of 13
Full-Text Articles in Social and Behavioral Sciences
A Suite Of Tools For Roc Analysis Of Spatial Models, Jean François Mas, Britaldo Soares Filho, Robert Gilmore Pontius, Michelle Farfán Gutiérrez, Hermann Rodrigues
A Suite Of Tools For Roc Analysis Of Spatial Models, Jean François Mas, Britaldo Soares Filho, Robert Gilmore Pontius, Michelle Farfán Gutiérrez, Hermann Rodrigues
Geography
The Receiver Operating Characteristic (ROC) is widely used for assessing the performance of classification algorithms. In GIScience, ROC has been applied to assess models aimed at predicting events, such as land use/cover change (LUCC), species distribution and disease risk. However, GIS software packages offer few statistical tests and guidance tools for ROC analysis and interpretation. This paper presents a suite of GIS tools designed to facilitate ROC curve analysis for GIS users by applying proper statistical tests and analysis procedures. The tools are freely available as models and submodels of Dinamica EGO freeware. The tools give the ROC curve, the …
Development And Validation Of A Concept Inventory For Introductory-Level Climate Change Science, Lorna Jarrett, Brian Ferry, George Takacs
Development And Validation Of A Concept Inventory For Introductory-Level Climate Change Science, Lorna Jarrett, Brian Ferry, George Takacs
George Takacs
This paper follows on from Jarrett, Takacs and Ferry (2011) which reported the first stage in development of a high school level concept inventory (CI) for the science of climate change: the climate change concept inventory (CCCI). In order to develop a reliable and valid instrument, it is necessary to follow appropriate procedures. This paper details the process of CI item development; reports statistical results of initial field trials and outlines how these will be used to further refine the CCCI. Item difficulty, discrimination, and point biserial coefficient were calculated for each item. Cronbach's alpha and test-retest data were used …
Validating Indicators Of Interdisciplinarity: Linking Bibliometric Measures To Studies Of Engineering Research Labs, David Roessner, Alan L. Porter, Nancy J. Nersessian, Stephen J. Carley
Validating Indicators Of Interdisciplinarity: Linking Bibliometric Measures To Studies Of Engineering Research Labs, David Roessner, Alan L. Porter, Nancy J. Nersessian, Stephen J. Carley
alan l porter
This article examines the extent to which specific features of interdisciplinary research are accurately reflected in selected bibliometric measures of scholarly publications over time. To test the validity of these measures, we compare knowledge of research processes and impact based on ethnographic studies of a well-established researcher’s laboratory, together with personal interview data, against bibliometric indicators of cognitive integration, diffusion, and impact represented in the entire portfolio of papers produced by this researcher over time.
A Cross-Cultural Validation Study Of The Questionnaire Of Educational And Learning Capital (Qelc) In China, Germany And Turkey, Anamaria Vladut, Qian Liu, Marilena Z. Leana-Tascila, Wilma Vialle, Albert Ziegler
A Cross-Cultural Validation Study Of The Questionnaire Of Educational And Learning Capital (Qelc) In China, Germany And Turkey, Anamaria Vladut, Qian Liu, Marilena Z. Leana-Tascila, Wilma Vialle, Albert Ziegler
Faculty of Social Sciences - Papers (Archive)
Unlike traditional person-centered models of giftedness, the Actiotope Model of Giftedness focuses on the person-environment interactions. It postulates that successful learning requires necessary resources, termed educational and learning capital, located both in the environment and the individual. The Questionnaire of Educational and Learning Capital (QELC) is introduced. The results of a validation study with students from China, Turkey and Germany is reported which shows that the QELC has satisfactory psychometric properties as well as construct and concurrent validity.
Approaches To Establishing A Metadata Standard For Field Spectroscopy Datasets, Barbara A. Rasaiah, Tim J. Malthus, Chris Bellman, Laurie Chisholm, John Gamon, Andreas Hueni, Alfredo Huete, Simon D. Jones, Cindy Ong, Stuart Phinn, Chris Roelfsema, Lola Suarez, Philip Townsend, Rebecca Trevithick, Mat Wyatt
Approaches To Establishing A Metadata Standard For Field Spectroscopy Datasets, Barbara A. Rasaiah, Tim J. Malthus, Chris Bellman, Laurie Chisholm, John Gamon, Andreas Hueni, Alfredo Huete, Simon D. Jones, Cindy Ong, Stuart Phinn, Chris Roelfsema, Lola Suarez, Philip Townsend, Rebecca Trevithick, Mat Wyatt
Faculty of Science, Medicine and Health - Papers: part A
There is an urgent need within the international remote sensing community to establish a metadata standard for field spectroscopy that ensures high quality, interoperable metadata sets that can be archived and shared efficiently within Earth observation data sharing systems. Careful examination of all stages of metadata collection and analysis can inform a robust standard that is applicable to a range of field campaigns. This paper presents approaches towards a standard that encompasses in situ metadata collection and initiatives towards sharing metadata within intelligent archiving systems.
Improvement Of The Retrieval Algorithm For Gosat Swir Xco2 And Xch4 And Their Validation Using Tccon Data, Y Yoshida, N Kikuchi, I Morino, O Uchino, S Oshchepkov, A Bril, T Saeki, N Schutgens, G C. Toon, D Wunch, C M. Roehl, P O. Wennberg, D W. T Griffith, N M. Deutscher, T Warneke, J Notholt, J Robinson, V Sherlock, B Connor, M Rettinger, R Sussmann, P Ahonen, P Heikkinen, E Kyro, J Mendonca, K Strong, F Hase, S Dohe, T Yokota
Improvement Of The Retrieval Algorithm For Gosat Swir Xco2 And Xch4 And Their Validation Using Tccon Data, Y Yoshida, N Kikuchi, I Morino, O Uchino, S Oshchepkov, A Bril, T Saeki, N Schutgens, G C. Toon, D Wunch, C M. Roehl, P O. Wennberg, D W. T Griffith, N M. Deutscher, T Warneke, J Notholt, J Robinson, V Sherlock, B Connor, M Rettinger, R Sussmann, P Ahonen, P Heikkinen, E Kyro, J Mendonca, K Strong, F Hase, S Dohe, T Yokota
Faculty of Science, Medicine and Health - Papers: part A
The column-averaged dry-air mole fractions of carbon dioxide and methane (XCO2 and XCH4) have been retrieved from Greenhouse gases Observing SATellite (GOSAT) Short-Wavelength InfraRed (SWIR) observations and released as a SWIR L2 product from the National Institute for Environmental Studies (NIES). XCO2 and XCH4 retrieved using the version 01.xx retrieval algorithm showed large negative biases and standard deviations (−8.85 and 4.75 ppm for XCO2 and −20.4 and 18.9 ppb for XCH4, respectively) compared with data of the Total Carbon Column Observing Network (TCCON). Multiple reasons for these error characteristics (e.g., solar irradiance database, handling of aerosol scattering) are identified and …
Clinical Validation Of An In-House Epid Dosimetry System For Imrt Qa At The Prince Of Wales Hospital, M Tyler, P Vial, P Metcalfe, S Downes
Clinical Validation Of An In-House Epid Dosimetry System For Imrt Qa At The Prince Of Wales Hospital, M Tyler, P Vial, P Metcalfe, S Downes
Faculty of Engineering and Information Sciences - Papers: Part A
In this study a simple method using standard flood-field corrected Electronic Portal Imaging Device (EPID) images for routine Intensity Modulated Radiation Therapy (IMRT) Quality Assurance (QA) was investigated. The EPID QA system was designed and tested on a Siemens Oncor Impression linear accelerator with an OptiVue 1000ST EPID panel (Siemens Medical Solutions USA, Inc, USA) and an Elekta Axesse linear accelerator with an iViewGT EPID (Elekta AB, Sweden) for 6 and 10 MV IMRT fields with Step-and-Shoot and dynamic-MLC delivery. Two different planning systems were used for patient IMRT field generation for comparison with the measured EPID fluences. All measured …
Validation Of An Imrt Beam Model Using A Secondary Treatment Planning System As A 3d Dosimeter, A Xing, S Arumugam, L Holloway, G Goozee
Validation Of An Imrt Beam Model Using A Secondary Treatment Planning System As A 3d Dosimeter, A Xing, S Arumugam, L Holloway, G Goozee
Faculty of Engineering and Information Sciences - Papers: Part A
A treatment planning system IMRT beam model is usually validated using phantom-based measurement, however this will not detect errors related to patient anatomy and inhomogeneity. In this study a secondary treatment system (CMS XIO) was used as a 3D dosimeter to verify an IMRT beam model recently commissioned in a Philips Pinnacle treatment planning system. Data sets from three head-neck and two prostate patients previously treated were utilised. The IMRT plans for these patients were planned in Pinnacle and transferred to XIO. The dose at each voxel in the patient volume was calculated in both XIO and Pinnacle. The 2D …
I-125 Ropes Eye Plaque Dosimetry: Validation Of A Commercial 3d Ophthalmic Brachytherapy Treatment Planning System And Independent Dose Calculation Software With Gafchromic Ebt3 Films, Joel Poder, Stephanie Corde
I-125 Ropes Eye Plaque Dosimetry: Validation Of A Commercial 3d Ophthalmic Brachytherapy Treatment Planning System And Independent Dose Calculation Software With Gafchromic Ebt3 Films, Joel Poder, Stephanie Corde
Faculty of Engineering and Information Sciences - Papers: Part A
Purpose: The purpose of this study was to measure the dose distributions for different Radiation Oncology Physics and Engineering Services, Australia (ROPES) type eye plaques loaded with I-125 (model 6711) seeds using GafChromic R EBT3 films, in order to verify the dose distributions in the Plaque SimulatorTM (PS) ophthalmic 3D treatment planning system. The brachytherapy module of RADCALC R was used to independently check the dose distributions calculated by PS. Correction factors were derived from the measured data to be used in PS to account for the effect of the stainless steel ROPES plaque backing on the 3D dose distribution. …
Development And Validation Of An Insulin Proficiency Assessment Tool For Insulin Self-Management In Adults With Type 2 Diabetes Mellitus, Dianna Fornasier, Andrew Bonney
Development And Validation Of An Insulin Proficiency Assessment Tool For Insulin Self-Management In Adults With Type 2 Diabetes Mellitus, Dianna Fornasier, Andrew Bonney
Faculty of Science, Medicine and Health - Papers: part A
No abstract provided.
Validation Of The Dynamic Direct Exposure Method For Toxicity Testing Of Diesel Exhaust In Vitro, Lucky Joeng, Amanda Hayes, Shahnaz Bakand
Validation Of The Dynamic Direct Exposure Method For Toxicity Testing Of Diesel Exhaust In Vitro, Lucky Joeng, Amanda Hayes, Shahnaz Bakand
Faculty of Social Sciences - Papers (Archive)
Diesel exhaust emission is a major health concern because of the complex nature of its gaseous content (e.g., NO2, NO, CO, and CO2) and high concentration of particulate matter (PM) less than 2.5 μm which allows for deeper penetration into the human pulmonary system upon inhalation. The aim of this research was to elucidate the potential toxic effects of diesel exhaust on a human pulmonary-based cellular system. Validation of a dynamic direct exposure method for both laboratory (230 hp Volvo truck engine) and field (Volkswagen Passat passenger car) diesel engines, at idle mode, was implemented. Human …
Evidence-Based Toxicology For The 21st Century: Opportunities And Challenges, Martin L. Stephens, Melvin E. Andersen, Richard A. Becker, Kellyn Betts, Kim Boekelheide, Ed Carney, Robert Chapin, Dennis Devlin, Suzanne C. Fitzpatrick, John R. Fowle Iii, Patricia Harlow, Thomas Hartung, Sebastian Hoffman, Michael P. Holsapple, Abigail Jacobs, Richard Judson, Olga Naidenko, Tim Pastoor, Grace Patlewicz, Andrew Rowan, Roberta Scherer, Rashid Shaikh, Ted Simon, Douglas Wolf, Joanne Zurlo
Evidence-Based Toxicology For The 21st Century: Opportunities And Challenges, Martin L. Stephens, Melvin E. Andersen, Richard A. Becker, Kellyn Betts, Kim Boekelheide, Ed Carney, Robert Chapin, Dennis Devlin, Suzanne C. Fitzpatrick, John R. Fowle Iii, Patricia Harlow, Thomas Hartung, Sebastian Hoffman, Michael P. Holsapple, Abigail Jacobs, Richard Judson, Olga Naidenko, Tim Pastoor, Grace Patlewicz, Andrew Rowan, Roberta Scherer, Rashid Shaikh, Ted Simon, Douglas Wolf, Joanne Zurlo
Toxicology and Animal Models in Research Collection
The Evidence-based Toxicology Collaboration (EBTC) was established recently to translate evidence-based approaches from medicine and health care to toxicology in an organized and sustained effort. The EBTC held a workshop on “Evidence-based Toxicology for the 21st Century: Opportunities and Challenges” in Research Triangle Park, North Carolina, USA on January 24-25, 2012. The presentations largely reflected two EBTC priorities: to apply evidence-based methods to assessing the performance of emerging pathwaybased testing methods consistent with the 2007 National Research Council report on “Toxicity Testing in the 21st Century” as well as to adopt a governance structure and work processes to move that …
How Strong Is The Pull Of The Past? Measuring Personal Nostalgia Evoked By Advertising, Altaf Merchant, Kathryn Latour, John B. Ford
How Strong Is The Pull Of The Past? Measuring Personal Nostalgia Evoked By Advertising, Altaf Merchant, Kathryn Latour, John B. Ford
Marketing Faculty Publications
Marketers frequently evoke personal nostalgia in their advertising. To date, scales have been developed to measure the propensity to get nostalgic but not the actual dimensions of personal nostalgia. Results from four studies show that advertising-evoked personal nostalgia comprises four correlated but distinct dimensions: past imagery, positive emotions, negative emotions, and physiological reactions. This multidimensional scale showed a high level of validity and reliability. Moreover, due to careful choice of sampling frames, the study demonstrates a high level of external generalizability. Evaluating nostalgia-based advertising using the study's multidimensional scale may provide marketers with strategic insights for developing and fine-tuning advertising …