2,331 research outputs found

    Introduction to Library Trends 53 (3) Winter 2005: Consumer Health Issues, Trends, and Research, Part 2: Applicable Research in the 21st Century

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    Influence of the geometry on a field-road model : the case of a conical field

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    Field-road models are reaction-diffusion systems which have been recently introduced to account for the effect of a road on propagation phenomena arising in epidemiology and ecology. Such systems consist in coupling a classical Fisher-KPP equation to a line with fast diffusion accounting for a road. A series of works investigate the spreading properties of such systems when the road is a straight line and the field a half-plane. Here, we take interest in the case where the field is a cone. Our main result is that the spreading speed is not influenced by the angle of the cone

    Students Speak! - Understanding the Value of HBCUs From Student Perspectives

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    Explores students' views about their choice of historically black colleges and universities, their on-campus experiences, and the value of HBCUs. Examines the role of pre-college contexts, HBCUs' impact on academic and personal growth, and implications

    The Parkinson\u27s experience of group physical activity: Understanding social support, social comparison, physical self-perceptions, and posttraumatic growth

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    Group physical activity programs for clinical populations can provide opportunities for adaptive social interactions, improving perceptions of competence, and may facilitate posttraumatic growth (positive psychological changes resulting from traumatic life experiences). Therefore, the purpose of this study was to examine how people with Parkinson\u27s experience social interactions and physical challenges in a group physical activity program, and to investigate what role they think those experiences play in posttraumatic growth. The study employed interpretative phenomenological analysis methodology (Smith, Flowers & Larkin, 2009). N= 20 participants ( n = 12 women; age = 56-79 years) in a boxing-based group exercise program for people with Parkinson\u27s were interviewed. The findings included four collective narratives characterized by (1) finding a safe space in the program; (2) perceiving improvement in symptoms through self-regulation despite loss of control; (3) anxiety relief through shared humor with others who have Parkinson\u27s; and (4) focusing on helping others in lower level classes. The findings of this research may have important implications for how to structure adaptive group physical activity programs for those with Parkinson\u27s disease

    A comparison of two pre-referral intervention committees

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    The purpose of this study is to descriptively analyze two pre-referral intervention committees in a New Jersey suburban school district. The committee is also labeled Pupil Assistance Committee (PAC). The sample was the two committees observed by the researcher. Questionnaires were also filled out by referral teachers to suggest effectiveness of the committees. The referral teachers vary in age and sex. This study yielded the following findings: the make up of the committees were very similar, the format of the two committees greatly differed, the number of interventions and time spent on students varied between schools, the effectiveness suggested by the referral teachers showed no difference between committees

    Faculty Adoption and Integration of Technology at East Tennessee State University.

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    The purpose of this study was to identify and describe the demographic characteristics of faculty related to (1) faculty integration of technology, (2) the utilization of technological tools, (3) and the knowledge of computers and information technology of full-time faculty members at East Tennessee State University. Four hundred forty-three full-time faculty from East Tennessee State University were surveyed. The total mailed and e-mailed returned responses for this study were 205. Eighteen hypotheses generated from 3 research questions were tested using Pearson Product-Moment Correlation, Analysis of Variance, Two-Way Analysis of Variance, and Multiple Regression Analysis. This study showed that full-time faculty at East Tennessee State University possessed a positive attitude about the integration of technology and utilization of technological tools. The full-time faculty members also possessed a positive attitude towards the knowledge of computer and information technology. Age did not have an impact on the integration of technology but affected the utilization of technological tools and faculty knowledge of computers and information technology. No differences were found in the integration of technology, utilization of technological tools, and knowledge of computers and information technology towards gender and ethnicity. The percentage of computer usage in the classroom did have an affect on the integration of technology, utilization of technological tools, and knowledge of computers and information technology while tenure status had no effect. Academic units positively affected the faculty integration of technology but had no effect on the utilization of technological tools and knowledge of computers and information technology. No relationship was found between faculty integration of technology and the number of years teaching whereas a relationship was found with the utilization of technological tools and knowledge of computers and information technology

    Middle School String Improvisation and Composition: A Beginning

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    Schnittgrund, Tammy, M.A., Summer 2007 Fine Arts, Integrated Arts and Education Middle School String Improvisation and Composition: A Beginning Committee Chair: Dorothy Morrison This project involved of a middle school orchestra teacher’s first attempt at teaching improvisation and composition. The journey began by teaching the basic steps in playing a twelve bar chord progression. Improvised rhythms played on one note were integrated into the progression. The students discovered how to create an improvised melody by playing two notes in a rhythmic pattern. Additional notes were added gradually. The students were asked to notate their improvised melodies and create new compositions using the same technique. After completing their composition, a narrative was written describing their melody and their experiences while composing music. A performance of their melody, with the orchestra accompanying, completed the project

    Sources and effects of catchment-derived bioavailable contaminants in Hamilton urban streams

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    Awareness of the consistently degraded state of urban streams, with lower biodiversity has heightened worldwide, increasing restoration initiatives to ameliorate the adverse effects. The present study examined anthropogenically-derived contaminants in water and sediments and bioaccumulation in tissues and bile of shortfin eels (Anguilla australis) in Hamilton City urban gully streams. Bioassays were also conducted with two native Crustacea; the amphipod Paracorophium lucasi and freshwater crayfish (kƍura) (Paranephrops planifrons) to test endpoints of survival, reburial behaviour and growth. Results of dissolved Cu, Pb and Zn showed the industrial Waitawhiriwhiri catchment, with higher impervious surfaces, to have the greatest potential for generating contaminants in stream waters. Relationships between sediment contaminant concentrations and upstream % impervious area suggest an association with stormwater runoff and metal accumulation. Shortfin eels from Gibbons Creek and Lake Rotoroa bioaccumulated high concentrations of Pb and As respectively in livers, and PAH metabolite pyrene-1-glucuronide in bile was found in many eels, highlighting the bioavailability of these contaminants. Muscle tissues cocnentrations of Pb and Hg in some sites triggered food safety guidelines presenting a low risk for human consumption. Amphipods exposed to sediments from Lake Rotoroa had significantly reduced survival compared with those exposed to other site sediments in a 10-day sediment toxicity test. Photo-induced toxicity is not of concern for biota exposed to these sediments. Sediments did not induce any sub-lethal effect on reburial behaviour. Growth rates of kƍura fed Salix fragilis leaf material incubated in Hamilton streams were not significantly different, and the short duration of the study meant conclusions could not be made on the significance of observed accumulated metals and metalloids on differences in growth rates. Results of this study highlight a number of locations in the Hamilton stream network, where contaminants are of concern, especially in streams with fully urbanised catchments with high effective imperviousness and legacies of past land use or pollution. Bioavailability of some metals, metalloids and PAHs is constraining the diversity of some species present in these streams, although not apparent for shortfin eels, as they are very common
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