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11.
This qualitative study describes environmental supports and barriers to physical activity in an older adult sample drawn from low- and high-walkable neighborhoods. Thirty-seven individuals age 55 and over were recruited and answered open-ended survey questions, with a subsample invited back to partake in a semistructured interview. Content analysis identified categories and themes linking perceptions of neighborhood-environment characteristics to activity. Emerging categories and themes did not differ across neighborhood walkability, so results are presented for both groups combined. Infrastructure was the most common category identified to encourage activity, specifically, well-maintained sidewalks, bike paths or lanes, and traffic control. Other categories of land use, landscape, and aesthetics were reported. Poorly maintained or missing sidewalks, crosswalks, bike paths or lanes, and traffic safety were categories that discouraged activity. In conclusion, the information obtained is helpful in solidifying which environmental characteristics are important to measure as they relate to activity behavior in an older adult population. 相似文献
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13.
Raymond Hubbard 《The American statistician》2019,73(1):31-35
ABSTRACTRecent efforts by the American Statistical Association to improve statistical practice, especially in countering the misuse and abuse of null hypothesis significance testing (NHST) and p-values, are to be welcomed. But will they be successful? The present study offers compelling evidence that this will be an extraordinarily difficult task. Dramatic citation-count data on 25 articles and books severely critical of NHST's negative impact on good science, underlining that this issue was/is well known, did nothing to stem its usage over the period 1960–2007. On the contrary, employment of NHST increased during this time. To be successful in this endeavor, as well as restoring the relevance of the statistics profession to the scientific community in the 21st century, the ASA must be prepared to dispense detailed advice. This includes specifying those situations, if they can be identified, in which the p-value plays a clearly valuable role in data analysis and interpretation. The ASA might also consider a statement that recommends abandoning the use of p-values. 相似文献
14.
This study aims at ascertaining how Hong Kong people perceive Hong Kong as a harmonious society. It also identifies the elements
that are most conducive to social harmony in Hong Kong, so that the government could take reference when formulating new policies.
1,062 adults residents were asked to rate their perceived level of social harmony and their satisfaction with 36 items (divided
into three dimensions: public governance, society, and economy, family and work) for which the research team believes would
be influencing the perceived level of social harmony. Results show that the average rating of social harmony was 5.57 (out
of 10), delineating a moderate level of social harmony. Subsequent multivariate factor analysis and regression analysis show
that the four extracted factors (from the three dimensions) had significant impacts on the level of social harmony. These
were, in order of significance: (a) public governance, (b) social solidarity and respect, (c) economy/family/work and, (d)
social tolerance and progressiveness. According to the factor loadings of each significant factor, we identified four core
values which we hope the government would consider when formulating new policies, as follows: (1) A Justice Government with
Sincerity on Communication, (2) Mutual Support and Respect with Integrity and Dedication, (3) Dedication to One’s Job and
Community by Helping the Needed and, (4) Creativity and Progressiveness with Tolerance. Implications for policy making are
discussed.
The study was conducted under the direction and guidance of the Fostering Social Harmony Task Force of the Hong Kong Professionals
and Senior Executives Association (HKPASEA). The authors acknowledge the kind support and assistance provided by the Council
Members of HKPASEA and staff members of the Centre for Corporate Governance and Financial Policy at Hong Kong Baptist University.
We are also grateful to Prof. Alex Michalos and Prof. P. K. Ip for their comments and suggestions given at the International
Conference on National Well-Being held in November 2006 at the National Central University, Taiwan. 相似文献
15.
Scientific techniques for inventory management typically are applied to systems containing many items. Such techniques require an estimation of the demand variance (and mean) of each item from historical data. This research demonstrates a significant potential for improvement in system cost performance from using least-squares regression fits of a variance-to-mean functional relation instead of the standard statistical variance estimate. Even when there is a moderate degree of heterogeneity among items and when the form of the variance-to-mean relation is misspecified, substantial cost savings may be realized. The cost of statistical uncertainty may be reduced by half. The research also provides evidence that system cost is fairly insensitive to the number of items used to fit the regression. This paper provides the underlying reason why a regression-derived variance estimator yields lower cost: it is less variable than the usual individual item variance estimator. 相似文献
16.
Siu‐Man Raymond Ting 《The Career development quarterly》2009,58(1):77-81
The Chinese Career Key (CCK) Online was studied for its effectiveness and user satisfaction. Study participants were 92 students at a public high school in Hong Kong. The research findings provide preliminary evidence of reliability, validity, and user satisfaction for the CCK Online. Limitations and implications for future studies and counseling practice across cultures are discussed. 相似文献
17.
Peter Van Aelst Patrick van Erkel Evelien D’heer Raymond A. Harder 《Information, Communication & Society》2017,20(5):715-732
Attention in the mass media is seen as crucial for electoral success. However, most ordinary candidates hardly get any attention in the news. With social media outlets becoming ever more popular, the question is whether the overall asymmetry in attention for candidates still holds today. Do candidates who dominate the traditional media during the campaign also dominate the social media? Or can candidates make up for a lack of mass media coverage by attracting attention on these new media platforms? This paper aims to answer these questions by pairing Twitter activity and Twitter popularity with newspaper attention for a large number of individual candidates in the 2014 Belgian election campaign. We expand the normalization versus equalization debate by not only looking at how much a new medium is used, but also at its success in terms of popularity and audience reach. Our findings show that the two platforms are indeed related, mainly because a small political elite dominates both old and new media. Twitter popularity and Twitter activity (albeit to a lesser extent) are higher among powerful politicians. We elaborate on why these findings are so much in line with the normalization hypothesis. 相似文献
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19.
This article examines associations between biological father's incarceration and internalizing and externalizing outcomes of depression and serious delinquency, across White, Black, and Hispanic subsamples of youth in the National Longitudinal Study of Adolescent Health. Among respondents whose father was first incarcerated during childhood or adolescence, father's incarceration is found to be associated with increased depression and delinquency. On the whole, results indicate that associations between father's incarceration and depression and delinquency do not vary by race and ethnicity or gender. One exception is among Hispanic respondents, for whom having a biological father incarcerated is associated with an even higher propensity of delinquency than among White and Black respondents with incarcerated fathers. 相似文献
20.
Paul L. Vasey Doug P. VanderLaan Raymond Hames Amornthep Jaidee 《Journal of sex research》2016,53(2):149-152
Camperio Ciani et al. argued that the Urak-Lawoi people of Ko Lipe island live in a “traditional,” “subsistence primitive society” reminiscent of the “ancestral” human past and that their socio-cultural situation is “remarkably similar” to Samoa. On this basis, they asserted that the Ko Lipe Urak-Lawoi are an appropriate population for determining the role that kin selection played in the evolution of male androphilia. The purpose of this commentary is to outline some of our concerns with this characterization and with the statistical analyses conducted by Camperio Ciani et al. in their study of the Urak-Lawoi. 相似文献