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81.
82.
Giorgio Pederzoli 《统计学通讯:理论与方法》2013,42(1):185-194
Consider a set of r+1 independently and identically and uniformly distributed random points X0, X1,…,Xr in RnThese points determine almost surely via their convex hull a unique r-simplex in Re This article deals with the exact density of the r-content of this random r-simplex when the points are such that p of them are in the interior and r+l?p of them are on the surface of a unit n-ball. This problem is transformed into a distribution problem connected with multivariate test statistics. Various possible representations of the exact density in the general case, are also pointed out. 相似文献
83.
Two‐Year Follow‐up Outcomes in Emotionally Focused Couple Therapy: An Investigation of Relationship Satisfaction and Attachment Trajectories
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Stephanie A. Wiebe Susan M. Johnson Marie‐France Lafontaine Melissa Burgess Moser Tracy L. Dalgleish Giorgio A. Tasca 《Journal of marital and family therapy》2017,43(2):227-244
Emotionally Focused Couple Therapy (EFT; The practice of emotionally focused couple therapy: Creating connection. New York, NY: Brunner‐Routledge) is an evidence‐based couple therapy that aims to create lasting change for couples (Clinical Psychology: Science and Practice, 6(1), 67–79). Although studies have demonstrated strong results in follow‐up (Journal of Marital and Family Therapy, 28(4), 391–398), less is known about relationship functioning across time after therapy has ended. We modelled change in relationship satisfaction and attachment from pre‐therapy through 24 months follow‐up in 32 couples. HLM results confirmed a significant growth pattern demonstrating increases in relationship satisfaction and secure base behaviour and decreases in relationship specific attachment anxiety over the course of therapy and across follow‐up at a decelerated rate. These findings support the theoretical assumption that EFT helps couples engaged in therapy create lasting relationship satisfaction and attachment change. 相似文献
84.
MaryLouise E. Kerwin Jeannette Giorgio Ross Steinman Beth Rosenwasser 《Journal of social work practice in the addictions》2014,14(4):338-358
Behavioral parent training offers mothers in drug treatment a valuable opportunity to improve their parenting skills through real-time, individualized coaching, but these mothers might be reluctant to participate with their child. Participants were 23 mothers or female guardians from 4 drug treatment programs with children 1 to 10 years old. Focus group discussions and questionnaires asked about their perspectives on parenting and their interest in and obstacles to participating in behavioral parent training. Detailed narrative responses and quantitative analyses identified some unique issues in parenting for this population as well as logistical, attitudinal, and emotional barriers to participating in behavioral parent training with their children. 相似文献
85.
Giorgio E. Montanari M. Giovanna Ranalli Paolo Eusebi 《Statistical Methods and Applications》2011,20(1):49-63
This paper aims at classifying, on the basis of their disability profile, the population of elderly and quantifying the number
of those with a very low level of functioning in a central region of Italy. This is accomplished using a set of variables
on the difficulty of accomplishing everyday tasks (Activities of Daily Living, ADL) and functions. This issue is very important
for National and Local Health organizations in order to evaluate the need for care, planning services, elaborating policies
and allocating resources. Latent class models are applied on data coming from the Italian National Survey on Health Conditions
and Appeal to Medicare to extract the latent trait of disability and classify the elder population according to their disability
profile. Model selection brings to a classification into four latent classes. Looking at posterior probabilities, classes
may be interpreted as follows: elderly without disability, with difficulties in movements, with difficulties in movements
and daily tasks, with very low functioning level. Estimates of the amount of population aged 65 or more falling in each class
is also provided. Cross-validation shows evidence of the robustness of such classification. Item response theory models are
also applied to the items considered to study how functions are lost with increasing levels of disability. In particular,
the abilities of climbing stairs and stooping down are those lost first, while those of eating and getting washed are those
lost last. 相似文献
86.
Giorgio I. Russo Marina Di Mauro Federica Regis Giulio Reale Daniele Campisi Marina Marranzano 《The aging male》2018,21(1):48-54
Objective: In this study we aimed to investigate the association between dietary phytoestrogen consumption and prostate cancer in a sample of southern Italian individuals.Methods: A population-based case-control study on the association between prostate cancer and dietary factors was conducted from January 2015 to December 2016 in a single institution of the municipality of Catania, southern Italy (Registration number: 41/2015). A total of 118 histopathological-verified prostate cancer (PCa) cases and a total of 222 controls were collected. Dietary data was collected by using two food frequency questionnaires.Results: Patients with PCa consumed significantly higher levels of phytoestrogens. Multivariate logistic regression showed that lignans (Q[quartile]4 vs. Q1, OR [odds ratio]?=?4.72; p?.05) and specifically, lariciresinol (Q4 vs. Q1, OR?=?4.60; p?.05), pinoresinol (Q4 vs. Q1, OR?=?5.62; p?.05), matairesinol (Q4 vs. Q1, OR?=?3.63; p?.05), secoisolariciresinol (Q4 vs. Q1, OR?=?4.10; p?.05) were associated with increased risk of PCa. Furthermore, we found that isoflavones (Q3 vs. Q1, OR?=?0.28; p?.05) and specifically, genistein (Q4 vs. Q1, OR?=?0.40; p?.05) were associated with reduced risk of PCa.Conclusion: We found of an inverse association between dietary isoflavone intake and PCa, while a positive association was found with lignans intake. 相似文献
87.
88.
Review of Economics of the Household - We estimate the effect of grandchild care on the depression of grandmothers and grandfathers, using data from the Survey on Health, Ageing and Retirement in... 相似文献
89.
Giorgio Brunello 《Journal of population economics》2010,23(1):273-290
I use the cross-country and time variation in the demographic structure of 11 European countries to study how changes in cohort size affect real earnings in Europe. I find that cohort size has a negative and statistically significant effect on earnings, and that this effect is larger for the older age group—aged between 35 and 54—than for the younger group—aged 20 to 34. I also find that earnings are more sensible to changes in cohort size in Southern Europe, which points to a lower degree of substitutability between individuals with the same education but different age. I argue that the uncovered lower substitutability in the Olive Belt of Europe is in line with the higher employment protection that its workers enjoy, at least compared to the workers located in Northern Europe. 相似文献
90.
Giorgio Di Pietro 《Journal of population economics》2013,26(2):619-644
This paper analyses the effect of the abolition of compulsory military service (CMS) on university enrolment in Italy. A triple-difference model is used to account for various potentially confounding factors. The identification strategy exploits variation along three dimensions: (a) between gender, (b) between age-groups and (c) between time periods. The results show that there is no statistically significant evidence suggesting that the abolition of CMS has a causal effect on the decision to enrol in university studies. Estimates obtained employing a double-difference model exploiting variation along the dimensions (a) and (b) overestimate the effect. Finally, although there is no statistically significant overall effect, we find some evidence of heterogeneous effects between students from different social backgrounds. 相似文献