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There is increased recognition of the importance of well-designed scholarship on how immigration status and policies impact migrants in the United States, including those who are unauthorized. Some researchers have looked to community-based and participatory methods to develop trust, place migrants’ voices at the forefront, and engage collaboratively in using research as a tool for social change. This article reviews three ethical ambiguities that emerged in the process of a series of participatory action research (PAR) projects with migrants in the United States, many of whom were unauthorized. Specifically, three themes are discussed: (a) the tension between the human desire to respond to injustices, and the challenges of doing so in ways that recognize one’s privilege and power as an outsider and supports the migrants’ agency and autonomy; (b) the complex definition, explanation, and dimensions of “risk”; and (c) the complexity of using a methodology (PAR) that prioritizes participants’ collective identity and community in the context of regulations that are designed primarily to protect individuals.  相似文献   
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140 men (M age = 30.3 yr., SD = 5.7) from the Indian army in north India participated in the study. They were naive to yoga and were assigned to yoga and breath awareness groups randomly, with 70 in each group. 20 healthy males of comparable age (M age = 33.7 yr., SD = 7.0) formed a comparison group. Their performance in a digit-letter substitution task and a state anxiety subscale was assessed immediately before and after two 45-min. sessions. The two groups of soldiers practiced either yoga or breath awareness. The comparison group listened to meditation music. Digit-letter substitution scores increased in both groups of army personnel and in the comparison group. State anxiety decreased after yoga and listening to meditation music, but not after breath awareness. This suggests that even in army personnel naive to yoga, a yoga-based intervention or listening to meditation music could reduce anxiety while increasing performance on an attention task.  相似文献   
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Hostility, anger, and aggression are conceptually related but unique constructs found to occur more often among veterans with posttraumatic stress disorder (PTSD) than among civilians or veterans without PTSD. However, the pathways between PTSD, depression, hostility, anger, and aggression have not been comprehensively characterized. Therefore, drawing on a sample of returning Operation Enduring Freedom/Operation Iraqi Freedom combat veterans ( N = 175; 95% male; mean age 30 years), this study sought to examine the direct and indirect relationships among PTSD, depression, hostility, anger, and four types of aggression: verbal, and physical toward self, others, and objects. Functional modeling of direct effects was done using multiple least-squares regression and bootstrapped mediation analyses were carried out to test indirect effects. Results indicate that PTSD is not the overall direct contributor to different forms of aggression, supporting the mediating role of depression and trait anger. Depression symptoms explain part of the relationships between PTSD and verbal aggression, physical aggression toward objects, and physical aggression toward self and trait anger explains part of the relationships between PTSD and verbal aggression, physical aggression toward objects, and physical aggression toward others. Our findings support the importance of assessing for anger, depression, and different types of aggression among veterans presenting for PTSD treatment to develop individualized treatment plans that may benefit from early incorporation of interventions.  相似文献   
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We investigated how prior bias about a face's racial characteristics can affect its encoding and resultant facial composite construction. In total, 61 participants (24 Europeans, 18 Indians living in India and 19 Indians living in Europe) saw a racially ambiguous unfamiliar face and were led to believe it was either European or Indian. They created a composite of this face, using EFIT6. Two groups of independent raters (one Indian, the other European) then assessed the apparent race of each composite. A different two groups (one Indian, one European) assessed each composite's degree of resemblance to the target face, to determine whether this was influenced by the constructors' initial categorisation of the target face as “own-race” or “other-race.” Composites appeared significantly more “Asian” or “European” according to the bias induced in their creators, but there was no evidence of any own-race bias in the resemblance ratings for the composites.  相似文献   
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Infants born preterm are at elevated risk for socioemotional difficulties; however, factors contributing to this risk are largely understudied. Within the present study, we explored infant sleep as a biosocial factor that may play a role in infant socioemotional development. Within a prospective longitudinal design, we examined parent‐reported sleep patterns and observed parenting quality as predictors of infant–mother attachment in 171 infants born preterm. Using structural equation modeling, we examined main effect and moderator models linking infant sleep patterns and parenting with attachment security. Sleep patterns characterized by more daytime sleep and positive/responsive parenting predicted infant attachment security. Parent‐reported nighttime sleep patterns were unrelated to attachment in this sample of infants born preterm. These results indicate that daytime sleep and parenting quality may be important for emerging attachment relationships in infants born preterm.  相似文献   
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The part-report advantage has been used to identify short-lived forms of visual storage (Sperling, 1960). We adopt the part-report paradigm to test whether visual memory can preserve, for a brief time, successive inputs and their temporal order. In our experiments, two successive arrays, each of 4 digits, were presented on each trial. The two arrays were spatially coincident, and each was followed by a random pattern-mask. In the part-report conditions, an auditory cue indicated whether the participant should report the first array or the second array. The results consistently showed a part-report advantage, which ranged in size from 16% to 37%. Delaying the cue by 500?ms abolished most of this advantage, in that performance was then similar to that in whole-report conditions. Subsequent experiments confirmed that the part-report superiority we measure is not achieved by (a) making eye movements that spatially displace the second array relative to the first; (b) extracting information from a single snapshot containing an integrated representation of the targets and masks; or (c) transferring a subset of material to a phonological store. We propose instead that observers have access to a limited, rapidly decaying representation of successive visual inputs stored in temporal sequence.  相似文献   
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Cognitive theory and naturalistic decision-making models were utilized to examine the relationship between thoughts, behaviours, and emotions in daily decision-making. An experimental survey using vignettes examined the effects of investment of cognitive and behavioural effort in hypothetical vignettes on emotional responses to uncertain negative outcomes. For each vignette, this negative outcome was either surprising or distressing. Further, the type of uncertainty was an alteration, inclusion, or cancellation pertaining to the original vignette, yielding six conditions in the within-groups design. Participants (N = 335, 220 females) responded to each vignette by choosing a behavioural effort option (low or high), following which they elaborated the reason for their choice (high or low cognitive effort). They also responded to the predetermined negative outcome on an affective scale (emotional response). Results showed that (a) emotional responses to vignettes varied, based on the type of uncertainty in the scenario; (b) surprising outcomes elicited higher emotional distress; (c) behavioural effort positively predicted emotional distress when the type of uncertainty was alteration or inclusion; and (d) strategies involving high cognitive effort predicted investment of high behavioural effort in the vignette. Implications of examining behavioural, cognitive, and emotional processes leading to daily decisions are discussed in the context of coping with uncertainty.  相似文献   
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在印度,科学家和政府对印度的基因组研究了干细胞研究充满了热情。而有关的伦理准则就显得尤为重要。印度在2000年颁布的准则是针对胎儿研究结果的保密性,以研究为目的而剩余的胚胎不能用于商业用途。辅助生殖技术应确保参与者的知情同意。保密性和遗传学秘密对遗传学研究是非常重要的。专家认为在干细胞与基因组研究领域中,伦理学及政府的阻碍并不是主要的负担,而主要的问题在于科技的发展与应用中的经济问题。同时,公众的积极参与也是非常重要的。  相似文献   
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Purpose

In a social network study, this research investigates proactive personality dissimilarity as a basis for friendship ties over time. It also examines the moderating role of proactive personality on the relationship between network centrality and satisfaction/stress.

Design/Methodology/Approach

Longitudinal network data (two periods) were collected from business students (T1, n = 197; T2, n = 212). We captured the early stages of network formation and observed the changes in network structure over time.

Findings

Findings demonstrate proactive individuals develop ties with less proactive individuals over time, providing evidence of personality heterophily. In addition, proactive personality positively moderates the relationship between network centrality and satisfaction/stress. Interestingly, people’s perceptions of their network position (out-degree ties) were more strongly associated with their personal outcomes than their number of ties as nominated by others.

Originality/Value

This research is among the first to provide evidence of personality heterophily over time (relationships form because of differences in personality). Moreover, proactive personality is important to both the benefits and costs associated with network participation, pointing to paradoxical effects of proactive personality.  相似文献   
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