135 research outputs found
Using Repeated Oral Assisted Reading To Improve The Fluency Of Students With Learning Disabilities
This study explores the research question: How much does repeated reading improve the reading rate, accuracy, and prosody of students with learning disabilities in fifth grade? Three key topics: learning disabilities, fluency, and repeated reading are discussed. The author was greatly influenced by Timothy Rasinski and his work in the area of fluency. Repeated Oral Assisted Reading was administered to monitor and document accuracy, rate, and prosody utilizing both daily instructional-level reading probes and monthly grade-level reading probes as well as prosodic reading rubrics and a daily journal. The improvement in rate was compared to scores on nationally normed fluency assessments. Findings suggest that Repeated Oral Assisted Reading is an effective intervention for improving both reading rate and prosody in students with learning disabilities
Proficiency Test of Four Salmonella Antibody ELISA-Tests for their Harmonization
The paper describes the necessity to only use tests for national salmonella monitoring and reduction programmes that are “harmonized”, i.e. that produce at least at herd level the same results. Four in Germany licensed tests were audited in a proficiency test by four independent and neutral laboratories. The test was designed rather to harmonize the tests, if necessary, than to evaluate the single tests. The methods used to provide a high credibility for the proficiency test’s outcome are explained. The conclusion of the ring test is that three of the four tests can be used for the salmonella monitoring programme in Germany as long as not single results are compared to each other, but the results of sets of sera are used for the herd categorization for their risk level of introducing Salmonella spec. into the food chain
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Variation by Geographic Scale in the Migration-Environment Association: Evidence from Rural South Africa
"Scholarly understanding of human migration's environmental dimensions has greatly advanced in the past several years, motivated in large part by public and policy dialogue around 'climate migrants'. The research presented here advances current demographic scholarship both through its substantive interpretations and conclusions, as well as its methodological approach. We examine temporary rural South African outmigration as related to household-level availability of proximate natural resources. Such 'natural capital' is central to livelihoods in the region, both for sustenance and as materials for market-bound products. The results demonstrate that the association between local environmental resource availability and outmigration is, in general, positive: households with higher levels of proximate natural capital are more likely to engage in temporary migration. In this way, the general findings support the 'environmental surplus' hypothesis that resource security provides a foundation from which households can invest in migration as a livelihood strategy. Such insight stands in contrast to popular dialogue, which tends to view migration as a last resort undertaken only by the most vulnerable households. As another important insight, our findings demonstrate important spatial variation, complicating attempts to generalize migration-environment findings across spatial scales. In our rural South African study site, the positive association between migration and proximate resources is actually highly localized, varying from strongly positive in some villages to strongly negative in others. We explore the socio-demographic factors underlying this 'operational scale sensitivity'. The cross-scale methodologies applied here offer nuance unavailable within more commonly used global regression models, although also introducing complexity that complicates story-telling and inhibits generalizability." (author's abstract
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Increasing phenological asynchrony between spring green-up and arrival of migratory birds
Consistent with a warming climate, birds are shifting the timing of their migrations, but it remains unclear to what extent these shifts have kept pace with the changing environment. Because bird migration is primarily cued by annually consistent physiological responses to photoperiod, but conditions at their breeding grounds depend on annually variable climate, bird arrival and climate-driven spring events would diverge. We combined satellite and citizen science data to estimate rates of change in phenological interval between spring green-up and migratory arrival for 48 breeding passerine species across North America. Both arrival and green-up changed over time, usually in the same direction (earlier or later). Although birds adjusted their arrival dates, 9 of 48 species did not keep pace with rapidly changing green-up and across all species the interval between arrival and green-up increased by over half a day per year. As green-up became earlier in the east, arrival of eastern breeding species increasingly lagged behind green-up, whereas in the west—where green-up typically became later—birds arrived increasingly earlier relative to green-up. Our results highlight that phenologies of species and trophic levels can shift at different rates, potentially leading to phenological mismatches with negative fitness consequences
Increase in participation but decrease in performance in age group mountain marathoners in the ‘Jungfrau Marathon’: a Swiss phenomenon?
Soldier Load Carriage, Injuries, Rehabilitation and Physical Conditioning: An International Approach
Soldiers are often required to carry heavy loads that can exceed 45 kg. The physiological costs and biomechanical responses to these loads, whilst varying with the contexts in which they are carried, have led to soldier injuries. These injuries can range from musculoskeletal injuries (e.g., joint/ligamentous injuries and stress fractures) to neurological injuries (e.g., paresthesias), and impact on both the soldier and the army in which they serve. Following treatment to facilitate initial recovery from injuries, soldiers must be progressively reconditioned for load carriage. Optimal conditioning and reconditioning practices include load carriage sessions with a frequency of one session every 10–14 days in conjunction with a program of both resistance and aerobic training. Speed of march and grade and type of terrain covered are factors that can be adjusted to manipulate load carriage intensity, limiting the need to adjust load weight alone. Factors external to the load carriage program, such as other military duties, can also impart physical loading and must be considered as part of any load carriage conditioning/reconditioning program
Looking Back, Looking Forward: Progress and Prospect for Spatial Demography
In 2011 a specialist meeting on the “Future Directions in Spatial Demography” was
held in Santa Barbara, California (Matthews, Goodchild, & Janelle, 2012).1
This specialist meeting was the capstone to a multi-year National Institutes of Health training
grant that had supported workshops in advanced spatial analysis methods increasing used by population scientists.2
Early-career scholars who had participated in the
training workshops and senior demographers and geographers drawn from across
the United States participated in the specialist meeting.3
The application process to
attend the 2011 meeting, required that each of the forty-one attendees submit a statement that reviewed challenges and identifed new directions for spatial demography,
including gaps in current knowledge regarding innovations in geospatial data, spatial
statistical methods, and the integration of data and models to enhance the science of
spatial demography in population and health research. Reading again some of the ruminations of these scholars is an interesting exercise in its own right. The level
of optimism back in 2011 was high, and especially regarding anticipated changes
in computational capacity, leveraging big data (including volunteered geographic
information), developments in data systems (including new data high resolution data
products and online resources such as multi-scale map interfaces and dashboards),
and in methods such as time–space models, agent-based models, microsimulation,
and small-area estimation. There were also several challenges identifed including,
but not limited to, study designs, data integration, data validation, confdentiality,
non-representative data, historic data, defnitions of place, residential selection and
mobility as well as two overarching challenges related to the role and contribution of
spatial demographers in interdisciplinary population and health research, and many,
many comments on training issues. Substantively the attendees research focused
on all forms of interaction between people and place (and the reciprocal relations
between the people in social, built, and physical environment contexts) covering the
gamut of demographic processes from reproductive health to mortality, though with
perhaps an overrepresentation of researchers in areas related to population and environment research, racial and residential segregation, and migration.The R25 Training Grant was funded through the Eunice Kennedy Shriver National Institutes of Child
Health and Human Development (NICHD 5R-25 HD057002; Principal Investigator: Stephen A. Matthews).
Looking Back, Looking Forward: Progress and Prospect for Spatial Demography
In 2011 a specialist meeting on the “Future Directions in Spatial Demography” was
held in Santa Barbara, California (Matthews, Goodchild, & Janelle, 2012).1
This specialist meeting was the capstone to a multi-year National Institutes of Health training
grant that had supported workshops in advanced spatial analysis methods increasing used by population scientists.2
Early-career scholars who had participated in the
training workshops and senior demographers and geographers drawn from across
the United States participated in the specialist meeting.3
The application process to
attend the 2011 meeting, required that each of the forty-one attendees submit a statement that reviewed challenges and identifed new directions for spatial demography,
including gaps in current knowledge regarding innovations in geospatial data, spatial
statistical methods, and the integration of data and models to enhance the science of
spatial demography in population and health research. Reading again some of the ruminations of these scholars is an interesting exercise in its own right. The level
of optimism back in 2011 was high, and especially regarding anticipated changes
in computational capacity, leveraging big data (including volunteered geographic
information), developments in data systems (including new data high resolution data
products and online resources such as multi-scale map interfaces and dashboards),
and in methods such as time–space models, agent-based models, microsimulation,
and small-area estimation. There were also several challenges identifed including,
but not limited to, study designs, data integration, data validation, confdentiality,
non-representative data, historic data, defnitions of place, residential selection and
mobility as well as two overarching challenges related to the role and contribution of
spatial demographers in interdisciplinary population and health research, and many,
many comments on training issues. Substantively the attendees research focused
on all forms of interaction between people and place (and the reciprocal relations
between the people in social, built, and physical environment contexts) covering the
gamut of demographic processes from reproductive health to mortality, though with
perhaps an overrepresentation of researchers in areas related to population and environment research, racial and residential segregation, and migration.The R25 Training Grant was funded through the Eunice Kennedy Shriver National Institutes of Child
Health and Human Development (NICHD 5R-25 HD057002; Principal Investigator: Stephen A. Matthews).
Relationship between age and elite marathon race time in world single age records from 5 to 93 years
Exploring the impact of the 2008 global food crisis on food security among vulnerable households in rural South Africa
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