525 research outputs found

    An Exploration of Psychological Sense of Community in Western Australian School Children Aged 7-8 Years

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    The current exploratory study examined Psychological Sense of Community (PSOC) in 16 Western Australian school children, between the ages of seven and eight from two schools in the Perth metropolitan region. The aim was to identify whether young children understand the concept of PSOC, within their school environment. A qualitative methodology using semi-structured interviews was employed. Questions were generated based on the Neighbourhood Youth Inventory (NYI) and the Sense of Community Index (SCI), as a measure of children\u27s PSOC in their school environment. A thematic content analysis was performed using a question ordered matrix, to compile common themes and meanings from within the descriptive data. Results indicated children in one school did possess an understanding of PSOC in their school environment. The second school did not reveal an understanding of PSOC, rather they displayed a sense of belonging to their school in relation to enrolment, and exhibited antisocial behaviours. The findings of this exploratory study suggest if PSOC can be identified and nurtured in young children, it is possible the beneficial effects of PSOC such as reciprocal friendships, belonging to a group, and prosocial behaviours may develop and continue throughout an individual\u27s lifespan. The financial, social and psychological implications for the Western Australian Department of Justice, health care system and society are discussed

    Convective response of a wall-mounted hot-film sensor in a shock tube

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    Shock tube experiments were performed in order to determine the response of a single hot-film element of a sensor array to transiently induced flow behind weak normal shock waves. The experiments attempt to isolate the response due only to the change in convective heat transfer at the hot-film surface mounted on the wall of the shock tube. The experiments are described, the results being correlated with transient boundary layer theory and compared with an independent set of experimental results. One of the findings indicates that the change in the air properties (temperature and pressure) precedes the air mass transport, causing an ambiguity in the sensor response to the development of the velocity boundary layer. Also, a transient, local heat transfer coefficient is formulated to be used as a forcing function in an hot-film instrument model and simulation which remains under investigation

    A Study of Video-Mediated Opportunities for Self-Directed Learning in Required Core Curriculum

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    Improving a required course in our curriculum that has proven to be a challenge for our students was the focus of this study. Surveys of both students and instructors attempted to identify specific problem areas. Using the information from these surveys, the researchers developed a series of videos to explain vital course concepts and deployed these into the course sections. The purpose of the videos is to provide consistency across the multiple modalities in which we offer our courses (including online, classroom and via videoconferencing) and to improve overall student understanding. This project seeks to determine how supplemental content focusing on material identified as “difficult,” by students and instructors, can impact student performance. Challenges include the deployment of the videos across various modalities and obtaining sufficient student feedback

    Communication in Young Children with Fragile X Syndrome: A Qualitative Study of Mothers’ Perspectives

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    Purpose: The purposes of the study were to provide descriptive and qualitative information about communication in young children with fragile X syndrome (FXS) and about how families react to and accommodate communication differences in their children. Method: In-depth interviews were conducted with 55 mothers of young children with FXS. Interviewers asked mothers to describe their children’s communication, strategies they used to help promote their children’s communication, communication-related frustrations, their expectations for their children and the roles that they perceive for themselves. Results: Over half the children were nonverbal and learning to communicate with augmentative or alternative communication (AAC). Mothers reported using strategies that were developmentally appropriate and recommended by early childhood experts, such as reading and talking to their children. Many mothers identified challenges faced in helping their child to communicate, and some cited difficulty obtaining speech-language services as a challenge. Mothers identified their roles as caregiver, teacher, therapist and advocate. Conclusions: The perspectives offered by mothers are valuable because they indicate how children with FXS communicate in natural contexts. Information about mothers’ expectations and roles may help clinicians to be sensitive to variables that will impact working with young children and their families.NIH P30 HD003110-38S1NIH P30 HD0252

    Testing single aliquot regenerative dose (SAR) protocols for violet stimulated luminescence

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    Basic assumptions of the single aliquot regenerative dose (SAR) protocol are tested using the violet stimulated luminescence (VSL) signal from quartz. The VSL signal is shown to be reduced to a sufficiently low background level between SAR steps, and the SAR protocol appears to adequately correct for sensitivity changes during measurement. The VSL SAR protocol can recover a large (405 Gy) laboratory beta dose within uncertainties, however the mean value for the dose recovery ratio is commonly 0.8 or less. This poor behaviour is echoed in the measurements of equivalent dose (De) for a sample with an expected De of ∌354 Gy, which underestimates De by 50–70%. Further investigations are required to understand the mechanisms underlying these underestimations in VSL SAR De values

    The role of research in guiding treatment for women's health : a qualitative study of traditional Chinese medicine acupuncturists

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    Background: Surveys of acupuncture practitioners worldwide have shown an increase in the use of acupuncture to treat women’s health conditions over the last ten years. Published studies have explored the effectiveness of acupuncture for various conditions such as period pain, fertility, and labor induction. However, it is unclear what role, if any, peer-reviewed research plays in guiding practice. Methods: Acupuncturists with a significant women’s health caseload were interviewed online in three small groups to explore factors that contribute to acupuncturists’ clinical decision made around treatment approaches and research. Results: Eleven practitioners participated in the focus groups. The overarching theme that emerged was one of ‘Not mainstream but a stream.’ This captured two themes relating to acupuncture as a distinct practice: ‘working with what you’ve got’ as well as ‘finding the right lens’, illustrating practitioners’ perception of research needing to be more relevant to clinical practice. Conclusions: Acupuncture practitioners treating women’s health conditions reported a disconnect between their clinical practice and the design of clinical trials, predominantly due to what they perceived as a lack of individualization of treatment. Case histories were popular as a learning tool and could be used to support increasing research literacy

    Community-Based Participatory Research and Sustainability: The Petersburg Wellness Consortium

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    The principle and practice of sustainability is critical in community-based participatory research. Actively planning for and building community capacity to ensure sustainability is even more critical in research involving underserved populations and underrepresented minorities. The perception of researchers engaging with the community until their research needs have been met, then leaving the community with minimal, if any benefits, has all too often been the reality in these communities. This paper offers a case study of how an independent community consortium was borne from an academic/community research partnership in Petersburg, Virginia. We discuss lessons learned and practice implications as we describe the evolution of, and challenges associated with, cultivating a sustainable independent coalition

    Comparison of paired quartz OSL and feldspar post-IR IRSL dose distributions in poorly bleached fluvial sediments from South Africa

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    AbstractA comparative study using quartz optically stimulated luminescence (OSL) and feldspar post-infrared infrared stimulated luminescence (post-IR IRSL) was undertaken on Quaternary fluvial sediments from an unnamed tributary of the Moopetsi River in South Africa. The aim is to assess whether the post-IR IRSL signal can be used to date incompletely bleached sediments. Several post-IR IRSL signals using varying stimulation and preheat temperatures were investigated; of these the post-IR IRSL225 signal was deemed most appropriate for dating because it bleached most rapidly. The feldspar post-IR IRSL225 equivalent dose (De) values from this site are consistently larger than those from quartz OSL, probably due to differences in the bleaching characteristics of the two signals. Additionally, the post-IR IRSL225 De values within a sample showed less variation in precision than the quartz De data, possibly due to greater averaging between grains in the feldspar small aliquots. The agreement between ages based on the OSL and post-IR IRSL225 signals was better for younger samples (<20 ka) than for older ones (>50 ka); the cause of this variation is unclear
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