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51.
Research and clinical data have shown that couples with sexual problems report a lack of sexual communication. However, no published meta-analyses have evaluated the relationship between sexual communication and sexual function. This meta-analysis examines the correlation between couples’ sexual communication and dimension of sexual function across 48 studies. Sexual communication was positively associated with sexual desire (r = .16), sexual arousal (r = .21), lubrication (r = .17), orgasm (r = .23), erectile function (r = .19), less pain (r = .12), and overall sexual function (r = .35). The effect sizes for sexual desire (r = .21; r = .12) and orgasm (r = .26; r = .16) were higher for women than for men. For overall sexual function, studies with married participants (r = .47) had a larger effect size than studies with participants with multiple relationship types (r = .31) or than studies with dating participants (r = .11). Effect sizes were larger for studies conducted outside of the United States (r = .39) compared to studies conducted in the United States (r = .12). We discuss the importance of addressing the relationship between sexual communication and sexual function, as well as future directions for research in this area. 相似文献
52.
Evidence for approximate number system (ANS) representations in infancy is robust but has typically only been found when infants are presented with arrays of four or more elements. In addition, several studies have found that infants fail to discriminate between small numbers when continuous variables such as surface area and contour length are controlled. These findings suggest that under some circumstances, infants fail to recruit either the ANS or object file representations for small sets. Here, we used a numerical change detection paradigm to assess 6‐month‐old infants' ability to represent small values. In Experiment 1, infants were tested with 1 versus 3, 1 versus 2, and 2 versus 3 dots. Infants successfully discriminated 1 versus 3 and 1 versus 2, but failed with 2 versus 3. In Experiment 2, we tested whether infants could compare small and large values with a 2 versus 4 condition. Across both experiments, infants' performance exhibited ratio dependence, the hallmark of the ANS. Our results indicate that infants can attend to the purely numerical attributes of small sets and that the numerical change detection paradigm accesses ANS representations in infancy regardless of set size. 相似文献
53.
Although research increasingly focuses on nonresident biological fathers, little attention has been given to the role of other men in children's lives. The authors examine the factors associated with social father presence and their influence on preschoolers' development. Findings indicate that the majority of children have a social father and that mother, child, and nonresident biological father characteristics are all related to social father presence. These associations differ depending on whether the social father is the mother's romantic partner or a male relative. The social father's influence on children's development also depends on his relationship to the child. Male relative social fathers are associated with higher levels of children's school readiness, whereas mothers' romantic partner social fathers are associated with lower levels of emotional maturity. 相似文献
54.
Two empirical applications of Cooperative Game Theory concerned with regional cooperation in the use of irrigation water are presented. Both studies attempt to derive income maximizing solutions for the participants and the related income allocation schemes. Distinction is made between transferable and non-transferable utility situations. The reasonableness and the acceptability of the schemes derived are later critically evaluated. Main findings are: (1) use of utility functions leads to problems in gains allocations, (2) the Core concept may be useless in this application because since it is either difficult to calculate or is empty in many cases, (3) gains allocation and the derived core are heavily dependent on probabilities of coalitions formation in the Shapley value or the Generalized Shapley Value.During the course of this research in The Hebrew University of Jerusalem.On leave from The Hebrew University of Jerusalem. 相似文献
55.
One of the major challenges for the process of peace building is to overcome the rigid structure of the socio‐psychological repertoire that accompanies it. Our longitudinal study examined one element of this repertoire among Jewish and Arab adolescents in Israel: the cognitive legitimacy and the emotional reactions toward the historical narrative of the opponent. We focused our question on the impact of the socio‐political context and the role of the violent reality in the development of these perceptions among youth. Data were collected in four stages (1999–2000, 2002, 2004, and 2007) among various samples of Arab and Jewish high school students (10th and 12th graders). The results showed that among the Jewish adolescents, the readiness to legitimate Palestinian narratives significantly decreased during violent periods. Among the Arab students, the impact of their difficult status as a Palestinian minority in the State of Israel is reflected in their relatively high level of readiness to accept both narratives. The results are discussed from social, cultural, and developmental perspectives with a focus on the role of the conflictual reality itself in the development of the socio‐psychological repertoire among youth. 相似文献
56.
Ariel Dinar Karin Kemper William Blomquist Pradeep Kurukulasuriya 《Journal of Policy Modeling》2007,29(6):851-867
This paper focuses on empirically assessing determinants of river basin management decentralization, which is growing in popularity among water resource managers world wide. Measuring decentralization as a shift of decision-making responsibility to water users or governments at the river basin level or below, the analysis sheds light on the decentralization reform process and its success, using primary data from 83 river basins world wide. Contrary to common perception that primarily emergency situations trigger reform, persistent water scarcity is found to be a major stimulus to reform. Similarly, financially well-endowed or -developed basins do not necessarily outperform poor and underdeveloped basins. Conditions improving decentralization performance include: existence of dispute resolution mechanisms; greater financial responsibility of users; and as opposed to traditional thinking, government financial support to basin budget. 相似文献
57.
Jacob Glazer Ariel Rubinstein 《Econometrica : journal of the Econometric Society》2014,82(4):1529-1541
We study a principal–agent model in which the agent is boundedly rational in his ability to understand the principal's decision rule. The principal wishes to elicit an agent's true profile so as to determine whether or not to grant him a certain request. The principal designs a questionnaire and commits himself to accepting certain responses. In designing such a questionnaire, the principal takes into account the bounded rationality of the agent and wishes to reduce the success probability of a dishonest agent who is trying to game the system. It is shown that the principal can construct a sufficiently complex questionnaire that will allow him to respond optimally to agents who tell the truth and at the same time to almost eliminate the probability that a dishonest agent will succeed in cheating. 相似文献
58.
59.
Gregory P. Perreault Margaret Duffy Ariel Morrison 《Journal of Media and Religion》2017,16(4):141-152
In the Mormon doctrine of posthumous baptism, people can be invited into the Church of Jesus Christ of Latter-day Saints (LDS) community through baptism even after their death. When it was reported that the LDS had baptized Jewish Holocaust victims, this caused an uproar in the American Jewish community. The American Gathering of Jewish Holocaust Victims deemed the Mormon practice disrespectful and inappropriate. This study analyzes the news coverage of the negotiations between the group and the Mormon church. While such negotiations would typically be ripe for conflict-privileging coverage, news coverage of these negotiations actually emphasized peacemaking. Using the lens of narrative theory, this study found that, in reporting on negotiations between American Jews and Mormons, the press attempted to mend relations rather than emphasize conflict. 相似文献
60.
The Prevalence of Pathological Gambling Among College Students: A Meta-analytic Synthesis, 2005–2013
Donald E. Nowak Ariel M. Aloe 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》2014,30(4):819-843
The problem of gambling addiction can be especially noteworthy among college and university students, many of whom have the resources, proximity, free time, and desire to become involved in the myriad options of gambling now available. Although limited attention has been paid specifically to college student gambling in the body of literature, there have been two published meta-analyses estimating the prevalence of probable pathological gambling among college students. This present study aims to be the third, presenting an up-to-date proportion of those students exhibiting gambling pathology, and is the first to include international studies from outside the United States and Canada. The purpose of this study was to use the most up-to-date meta-analytical procedures to synthesize the rates of probable pathological gambling for college and university students worldwide. A thorough literature review and coding procedure resulted in 19 independent data estimates retrieved from 18 studies conducted between 2005 and 2013. To synthesize the studies, a random effects model for meta-analysis was applied. The estimated proportion of probable pathological gamblers among the over 13,000 college students surveyed was computed at 10.23 %, considerably higher than either of the two previously published meta-analyses, and more than double the rate reported in the first meta-analysis of this type published in 1999. Implications and recommendations for future practice in dealing with college students and gambling addiction are outlined and described for both administrators and mental health professionals. 相似文献