A comparison of accelerometry analysis methods for physical activity in older adult women and associations with health outcomes over time

ABSTRACT

This study compared five different methods for analyzing accelerometer-measured physical activity (PA) in older adults and assessed the relationship between changes in PA and changes in physical function and depressive symptoms for each method. Older adult females (N = 144, M_age = 83.3 ± 6.4yrs) wore hip accelerometers for six days and completed measures of physical function and depressive symptoms at baseline and six months. Accelerometry data were processed by five methods to estimate PA: 1041 vertical axis cut-point, 15-second vector magnitude (VM) cut-point, 1-second VM algorithm (Activity Index (AI)), machine learned walking algorithm, and individualized cut-point derived from a 400-meter walk. Generalized estimating equations compared PA minutes across methods and showed significant differences between some methods but not others; methods estimated 6-month changes in PA ranging from 4 minutes to over 20 minutes. Linear mixed models for each method tested associations between changes in PA and health. All methods, except the individualized cut-point, had a significant relationship between change in PA and improved physical function and depressive symptoms. This study is among the first to compare accelerometry processing methods and their relationship to health. It is important to recognize the differences in PA estimates and relationship to health outcomes based on data processing method.

Abbreviation: Machine Learning (ML); Short Physical Performance Battery (SPPB); Center of Epidemiologic Studies Depression Scale (CES-D); Physical Activity (PA); Activity Index (AI); Activities of Daily Living (ADL)     

Use of counselor-client contracts with natural parents of children in foster home care

Counselor-client contracts were employed to facilitate parental participation in decision making for their children who were in out-of-home care. The components of such contracts are described and an example is provided. A significant relationship was found between parental willingness to sign a written agreement and outcome.     

Becoming a mature student: How adult appplicants weigh the advantages and disadvantages of higher education

The data presented in this paper is taken fromthe results of two much larger studies ofmature student decision-making and HigherEducation (HE), which considerprocesses of agency from initial considerationof the possibility of becoming a studentto eventually becoming one. In thispaper, six categories of applicant to HE arediscussed: `Delayed traditional students', `Late starters' who have undergone alife-transforming event e.g. redundancy ordivorce and require `a new start'. `Single parents' `Careerists', who are currently in employment who seek a qualification to make progress in their existing careers, `Escapees' who are currently in employment who want a qualification as a way out of `dead-end' jobs, Finally, the `personal growers', a small number pursuing education for its own sake.These categories of applicants are discussed inlight of the factors that both catalyse andinhibit individuals' decision-making duringapplication to HE.     

What Slavic Scholars Need to Know about Archiving Digital Materials in Institutional Repositories

ABSTRACT. Institutional repositories (IRs) provide storage and access to digitally produced scholarship. In order to improve storage and access to these materials, it is important for the creators to describe the contents adequately. Following generally accepted best practices in terms of file formats is encouraged, as is providing basic metadata about the content of the items. Some of the benefits of utilizing IRs include the provision of unique identifiers for digital projects and files, institutional commitment to preserving the files, and increased access through metadata protocols. Collaboration between creators and librarians is encouraged to ensure that standards are followed when appropriate, and that metadata is of the highest quality to ensure good preservation and access to the content.     

Professional ideology and physicians’ perceived disclosure patterns toward cancer patients

This study examined differences in physicians’ perceptions of their disclosure patterns toward cancer patients based on their professional ideological orientation. Adapting Strauss et al.’s (1964) sociotherapeutic (SCT) and somatotherapeutic (SMT) ideologies, it was hypothesized that physicians who strongly identified with the SCT ideology would perceive themselves as more willing to disclose the diagnosis to cancer patients and that there would be differences in the way and types of information presented depending on physicians’ ideological orientation. The findings suggest that physicians perceive choosing particular disclosure patterns based, in part, on their professional ideological orientations. Those who identify with a strong SCT orientation perceive themselves as more willing to disclose the diagnosis and provide some additional information to cancer patients and their families. Implications of these findings and directions for future research are discussed.     

从专业教育视野看参考咨询与信息服务过程模型

二十多年来,参考咨询与信息服务日益介入电子世界,而逐渐远离图书馆的参考咨询台和纸质馆藏.本文介绍一项基于不断变化的环境针对参考咨询与信息服务进行的研究,旨在分析两个研究问题:①从用户和馆员行为及其所利用信息源的角度来看,当前参考咨询与信息服务活动有哪些趋势?②当前参考咨询过程的基本模型是什么?作者通过焦点访谈法搜集承担参考咨询与信息服务专业课程教师的意见,并通过自由讨论的形式征集其他专业课程教师和博士研究生有关虚拟参考咨询教育的看法.研究结果表明,参考咨询模型具有明显的互动性和合作性,其中参考馆员和用户均扮演信息获取、信息接收和信息生成的角色.论文提出参考咨询过程的模型,并分析这一模型对参考咨询与信息服务活动产生的影响.图1.参考文献63.     

‘An experiment is when you try it and see if it works’: a study of grade 7 students’ understanding of the construction of scientific knowledge

The research reported here focuses on grade 7 (12‐year‐old) students’ epistomological views prior to and after exposure to a teaching unit especially developed to introduce the constructivist view of science. A clinical interview was used to assess students’ understanding about the nature of scientific knowledge and inquiry. Students’ initial epistemological stance is that scientific knowledge is a passively acquired, faithful copy of the world, and that scientific inquiry is limited solely to observing rather than constructing explanations about nature. We found that it is possible to move students beyond this initial view.     

US Urban Elementary Teachers’ Knowledge and Practices in Teaching Science to English Language Learners: Results from the first year of a professional development intervention

The study examined US elementary teachers’ knowledge and practices in four key domains of science instruction with English language learning (ELL) students. The four domains included: (1) teachers’ knowledge of science content, (2) teaching practices to promote scientific understanding, (3) teaching practices to promote scientific inquiry, and (4) teaching practices to support English language development during science instruction. The study was part of a larger five‐year research and development intervention aimed at promoting science and literacy achievement of ELL students in urban elementary schools. It involved 32 third grade, 21 fourth grade, and 17 fifth grade teachers participating in the first‐year implementation of the intervention. Based on teachers’ questionnaire responses and classroom observation ratings, results indicated that (1) teachers’ knowledge and practices were within the bounds of acceptability but short of reform‐oriented practices and (2) grade‐level differences existed, especially between Grades 3 and 5.     

Personal Development and the Self in Work Experience

Abstract

This article explores the experience of a group of young people who experienced difficulty attending school. Young people's reasons for not attending school and the support provided for them by their teachers are examined. Finally, an analysis based on a shift in identity from school refuser to effective learner is offered as an explanation for the students' success in coping with school. The authors draw on Paul Klee's metaphor of art as a development that can go forwards, backward, up and down as similar to the processes of working with such young people. They argue that to expect linear progress is both unrealistic and sets unfair expectations on students and their teachers.