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Articles 1 - 8 of 8
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Comparison Of Machine Learning Algorithms For Modeling Species Distributions: Application To Stream Invertebrates From Western Usa Reference Sites, Margi Dubal
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
Machine learning algorithms are increasingly being used by ecologists to model and predict the distributions of individual species and entire assemblages of sites. Accurate prediction of distribution of species is an important factor in any modeling. We compared prediction accuracy of four machine learning algorithms-random forests, classification trees, support vector machines, and gradient boosting machines to a traditional method, linear discriminant models (LDM), on a large set of stream invertebrate data collected at 728 reference sites in the western United States. Classifications were constructed for individual species and for assemblages of sites clustered a priori by similarity on biological characteristics. …
Heritability Of Cognition And Memory Loss In The Cache County Memory Study Cohort, Cassidy P. Allen
Heritability Of Cognition And Memory Loss In The Cache County Memory Study Cohort, Cassidy P. Allen
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
The Cache County Memory Study (CCMS) is a longitudinal study of the elderly in Cache County, Utah, that was initiated over twelve years ago to explore the role of APOE genotype and other environmental factors in dementia risk and cognitive function. Collaboration between the CCMS and investigators with the Utah Population Database (UPDB) at the University of Utah has revealed a significant number of sibships among the original 5,092 CCMS participants, along with complex pedigrees that include additional thousands of ancestors and relatives not enrolled in the Cache Study. Information about these families and pedigrees raises the potential for studies …
Hands-On Activities And Activities Involving Technology To Help Students Construct Concepts And Gain A Deeper Understanding And Appreciation For Mathematical Concepts Based On The Utah Core Curriculum For Algebra Ii, Brookeann Watterson
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
Research shows there are several methods that expand students' understanding, appreciation for, and interest in mathematics by following teaching strategies. These strategies include incorporating hands-on activities, technology, discovery learning, cooperative learning, and having activities be applicable to real world contexts. This project focuses specifically on activities based on objectives from the Utah State Core for Algebra II that incorporate such strategies in five units: (I) absolute value, (2) exponential growth /decay and logarithms, (3) trigonometric functions, (4) probability, permutations and combinations, and (5) statistics.
Ecology, Problem Framing And Local Land Use Controls: A Case Study Of Socio-Ecological Governance In Franklin County, Idaho, Alissa Salmore
Ecology, Problem Framing And Local Land Use Controls: A Case Study Of Socio-Ecological Governance In Franklin County, Idaho, Alissa Salmore
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
Due to the continuity of energy and material flows, the persistence of an ecological network necessarily includes a linking of ecological units from local and immediate to regional and broad-ranging scales. Humans are an integral part of ecosystems acting as resource consumers and agents of change, and all systems can be considered combined 'socio-ecological' systems. Where environmental and social systems lack coordination, mismatches between the temporal, spatial or functional scales at which these systems operate lead to resource use inefficiencies and the loss of ecosystem components and functioning. This case study of Franklin County, Idaho documents a recent land use …
A Synthesis Of The Literature On Reading Interventions To Improve Oral Reading Rates, Kelley Douglass
A Synthesis Of The Literature On Reading Interventions To Improve Oral Reading Rates, Kelley Douglass
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
The traditional model of identification and eligibility assessment in Special Education often is to refer-test-place, which is based on a "wait to fail" procedure. Research has shown positive outcomes for the use of a Response to Intervention (RTI) model of assessment as an alternative method of learning disability identification. However, challenges exist in the selection of high-quality, research-based, effective interventions. A review of the literature was conducted to identify reading intervention options based on Curriculum-Based Measurement outcomes that may be selected for RTI use within the model and the potential barriers of their use. Twenty-one studies were identified examining 31 …
Representation Of English Language Learners In Special Education: An Overview, Rachel M. Morley
Representation Of English Language Learners In Special Education: An Overview, Rachel M. Morley
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
Possible misrepresentation of English Language Learners (ELLs) in special education is a concern for many school districts across the U.S. This paper discusses language and cultural factors that affect assessment and classification of ELL students, focusing on classifications of Learning Disability (LD) and Mental Retardation (MR). Empirical studies and review articles regarding representation of ELLs in special education are summarized. Methods of avoiding inappropriate placement are presented, and implications for school psychologists are discussed.
Mixtures Of Truncated Normal Data Assimilation Models For Parameter Estimation And Prediction In Hydrological Systems, Darl D. Flake Ii
Mixtures Of Truncated Normal Data Assimilation Models For Parameter Estimation And Prediction In Hydrological Systems, Darl D. Flake Ii
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
Physical models in the hydrological sciences are often calibrated using methods that do not formally quantify uncertainty in the model parameters. Additionally, many competing hydrological models exist and are used to model the same processes. Considering existing mechanistic models of rainfall-run off in a statistical context can assist hydrologists in understanding the true physical process taking place. This paper introduces a data assimilation mixture model of runoff that yields statistical estimates of hydrological mode l parameters and predictions. This statistical model incorporates two commonly used hydrological models, each with strengths and weaknesses. The mixture framework allows comparisons between models as …
Examining The Validity Of The Spring 2007 Math 1050 Common Final, Angela K. Brock
Examining The Validity Of The Spring 2007 Math 1050 Common Final, Angela K. Brock
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
I began this study wanting to know more about the Math 1050 Common Final. I've heard so many negative things about the class from students, I wondered if the common final, which has so much influence on students' grades, is actually valid. A measurement is valid to the degree that it is both reliable and relevant, so I needed to address both relevance and reliability. To do this, I began by finding a reliability coefficient for the multiple choice section. I then analyzed each item with respect to difficulty, discrimination and efficiency. To determine content and learning level relevance, I …