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491.
Studies of stress and marital quality often assess stress as an intrapersonal phenomenon, examining how spouses’ stress may influence their own relationship well‐being. Yet spouses’ stress also may influence partners’ relationship evaluations, a phenomenon referred to as stress crossover. This study examined stress crossover, and conditions that may facilitate crossover, in a sample of 169 newlywed couples over 3.5 years. A significant crossover effect emerged for husbands, which was moderated by couples’ observed conflict resolution skills. For wives, a significant stress interaction emerged, such that the influence of husbands’ stress on wives’ marital satisfaction depended on wives’ own stress levels. These findings highlight the importance of a dyadic approach when examining the role of stress in marriage. 相似文献
492.
493.
Peter B. Gray Justin R. Garcia Benjamin S. Crosier Helen E. Fisher 《Journal of sex research》2015,52(2):121-128
Theory and research on partnered parents suggests trade-offs between parenting and sexuality, with those trade-offs most pronounced among mothers of young children. However, little research has focused on how a growing demographic of single parents negotiates dating and sexual activity. The current study drew upon a 2012 nationally representative sample of 5,481 single Americans 21 years of age and older, of whom 4.3% were parents of a child age five or younger. Dependent variables were sexual thoughts, frequency of sexual activity, number of sexual partners in the past year, dates during the previous three months, and whether one was actively seeking a relationship partner. Covariates included parental age, sex/gender, sexual orientation, education, and income. Using the entire sample of singles, we found no main effects of number (0, 1, 2+) of children aged five years and younger or number of children aged two years and younger on dating and sexual behavior variables. Next, using analyses restricted to single parents (n = 2,121), we found that single parents with a child aged five years or younger, adjusting for covariates, reported greater frequency of sexual activity and first dates but no differences in other outcomes compared with single parents of older children. 相似文献
494.
Marriages and other intimate partnerships are facilitated or constrained by the social networks within which they are embedded. To date, methods used to assess the social networks of couples have been limited to global ratings of social network characteristics or network data collected from each partner separately. In the current article, the authors offer new tools for expanding on the existing literature by describing methods of collecting and analyzing duocentric social networks, that is, the combined social networks of couples. They provide an overview of the key considerations for measuring duocentric networks, such as how and why to combine separate network interviews with partners into one shared duocentric network, the number of network members to assess, and the implications of different network operationalizations. They illustrate these considerations with analyses of social network data collected from 57 low‐income married couples, presenting visualizations and quantitative measures of network composition and structure. 相似文献
495.
When Women Support the Patriarchal Family: The Dynamics of Marriage in a Gécamines Mining Camp (Katanga Province,DR Congo)
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Benjamin Rubbers 《Journal of historical sociology》2015,28(2):213-234
Based on ethnographic research among the ex‐Gécamines workers of Panda (Likasi, DR Congo), this article studies the dynamics of the spousal relationship in a post‐industrial context that has been long characterized by paternalism. The results of this research suggest that, though men and women living in this mining community talk about their spousal relationships by invoking the ideal of Christian marriage promoted during the colonial period, in practice such relationships faced important changes following Congolese independence in 1960. The nationalization and subsequent dramatic decline of Gécamines caused changes which directly affected three central dimensions of the colonial family model, namely monogamy, the ideal of domesticity, and male authority. If men and women continue to reference this model, it is because, in times of growing poverty, it allows spouses to remind one another of their respective duties as docile housewives and responsible husbands, and to command respect as virtuous Christian families in the local community. 相似文献
496.
Preliminary estimates of cost-effectiveness for marital therapy 总被引:1,自引:0,他引:1
Cost‐effectiveness of marital therapy was examined beginning with a simple question: If government or health insurers paid for the screening and, where indicated, empirically supported treatment of 100,000 randomly selected married persons (i.e., 50,000 couples) from the general population, would the financial benefits outweigh costs? Two empirically supported forms of marital therapy, behavioral marital therapy and emotionally focused therapy, were considered in aggregate as possible treatments of choice. Marital therapy appears to be cost‐effective when paid for by government to reduce public costs of divorce or when paid for by insurers to offset the increased health‐care expenses associated with divorce. Implications and specific needs for future research to substantiate these conclusions are discussed. 相似文献
497.
498.
Tullar J Amick BC Robertson MM Fossel AH Coley C Hupert N Jenkins M Katz JN 《Work (Reading, Mass.)》2007,28(1):77-83
Recently, researchers have reported high musculoskeletal symptom prevalence at several US colleges. Since ergonomic interventions have been shown to prevent and reduce disability, it is important to identify the risk factors for developing symptoms among college students. A nested case-control study was completed to determine computer-related ergonomic risks associated with musculoskeletal symptoms. A trained observer completed ergonomic assessments on 52 randomly selected cases and controls. More than 75 percent (cases and controls combined) of the population was exposed to nine potential postural strains including: arms not along side during keying or mousing; lower back not supported; not having chair accessories; computer monitor not adjustable; mouse being too high or low; hand/wrist/forearm in contact with the desk edge; lack of wrist support; and keyboard not being adjustable. Cases and controls were equally likely to have substantially elevated risks but because the sample was small and lacked power, no risks were statistically significant. Since many known risk factors were prevalent in cases and controls, more research is required to evaluate and prevent injury in this population. 相似文献
499.
Michael N. Katehakis Benjamin Melamed Jim Shi 《Production and Operations Management》2016,25(9):1558-1575
Small‐to‐medium‐sized enterprises (SMEs), including many startup firms, need to manage interrelated flows of cash and inventories of goods. In this study, we model a firm that can finance its inventory (ordered or manufactured) with loans in order to meet random demand which in general may not be time stationary. The firm earns interest on its cash on hand and pays interest on its debt. The objective is to maximize the expected value of the firm's capital at the end of a finite planning horizon. The firm's state at the beginning of each period is characterized by the inventory level and the capital level measured in units of the product, whose sum represents the “net worth” of the firm. Our study shows that the optimal ordering policy is characterized by a pair of threshold parameters as follows. (i) If the net worth is less than the lower threshold, then the firm employs a base stock order up to the lower threshold. (ii) If the net worth is between the two thresholds, then the firm orders exactly as many units as it can afford, without borrowing. (iii) If the net worth is above the upper threshold, then the firm employs a base stock order up to the upper threshold. Further, upper and lower bounds for the threshold values are developed using two simple‐to‐compute myopic ordering policies which yield lower bounds for the value function. We also derive an upper bound for the value function by considering a sell‐back policy. Subsequently, it is shown that policies of similar structure are optimal when the loan and deposit interest rates are piecewise linear functions, when there is a maximal loan limit and when unsatisfied demand is backordered. Finally, further managerial insights are provided with extensive numerical studies. 相似文献
500.
Benjamin Yarnoff 《Journal of population economics》2011,24(2):657-680
Biological research predicts that giving children vitamin A supplements will significantly reduce mortality from diarrheal
and respiratory infections, but evaluations of supplementation programs in the field have produced a wide range of estimated
mortality effects. In this paper, I explain these differences by differential household behavioral responses to programs.
I find evidence that the mortality effect varies by observable determinants of household allocation to children. Additionally,
I find that households improve malaria prevention for children that receive vitamin A supplements and that this effect varies
by the same household allocation determinants. 相似文献