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71.
The effect of conspecific sex on maternal aggression in hamsters was determined by comparing the frequency of aggressive responses by dams continuously housed with either a virgin male or female cagemate during pregnancy and lactation. Dams easily established aggressive dominance over male cagemates soon after pairing, and their aggression was low thereafter for the duration of pregnancy and lactation. The aggression of dams with females, on the other hand, tended to fluctuate with highs during mid pregnancy and mid lactation and lows around birth. When dam aggression was low around birth, female cagemates frequently became aggressively dominant, and several dams lost their litters. The higher aggression of dams toward females than males is probably a reflection of greater intrasexual competition for environmental resources that includes pups. 相似文献
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‘Though he slay me,yet will I trust in him’: a critical reconstruction of Winnicott's theory of value 下载免费PDF全文
Steven Groarke 《The International journal of psycho-analysis》2016,97(4):1035-1056
This paper extrapolates an outline for a theory of value from Winnicott's reflections on war in ‘Discussion of war aims’ (1940). The author treats Winnicott's discussion as an occasion for a critical reconstruction of his theory of life‐values. He discerns an implicit set of distinctions in Winnicott's reflections on war, including different orders of value (existential, ethical, and psychosocial); a distinction between maturity and necessity; and a yet more fundamental distinction between violence and brutality. The paper argues, on the basis of these distinctions, that Winnicott allows for an understanding of one's encounter with the enemy as an ethical relation. The main argument of the paper is that the ethical attitude underpins recognition of the enemy's humanity. On a more critical note, the author argues that Winnicott doesn't adhere consistently to the ethical attitude he presupposes, that in certain passages he privileges the maturity of combatants over the humanity of the enemy. 相似文献
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A version of the discrete proportional hazards model is developed for psychometrical applications. In such applications, a primary covariate that influences failure times is a latent variable representing a psychological construct. The Metropolis-Hastings algorithm is studied as a method for performing marginal likelihood inference on the item parameters. The model is illustrated with a real data example that relates the age at which teenagers first experience various substances to the latent ability to avoid the onset of such behaviors.We thank Michael Newton and Daode Huang for their helpful comments and suggestions. 相似文献
76.
RUI NOUCHI 《The Japanese psychological research》2011,53(3):319-326
This study investigated whether or not visual imagery ability affected the benefit of a survival judgment task. Based on the median split of their VVIQ score, 92 undergraduate students were classified as either high imagers (n = 46) or low imagers (n = 46). In the survival task, participants were requested to judge whether an item presented in the form of two Chinese characters was necessary or not in a survival situation. In the image judgment task, participants were requested to judge whether an item presented in the form of two Chinese characters arouses mental images or not. Participants were presented 18 concrete nouns at 4 s intervals in each condition. In both the survival judgment and the image judgment tasks, high imagers recalled more words than low imagers did. This result showed that imagery ability influenced the benefit of the survival judgment task. These results were discussed from the functional perspective of memory. Finally, we proposed the combination hypothesis, which combined elaboration and functional perspectives to explain the benefit of the survival judgment task. 相似文献
77.
Sharon F. Lambert Amie F. Bettencourt Catherine P. Bradshaw Nicholas S. Ialongo 《Journal of aggression, maltreatment & trauma》2013,22(1):26-44
This study examined the extent to which individual, peer, and family factors predicted the onset of community violence exposure in middle and high school, as well as the indirect effects of early factors. We were particularly interested in the timing of exposure to community violence during adolescence, and thus conducted survival analyses on data from 632 urban youth, followed from first grade through high school. Early aggressive behavior and poor academic readiness were associated with an earlier onset of community violence exposure in adolescence. The effects of early aggression on community violence exposure and victimization were accounted for, in part, by peer rejection and deviant peer affiliation; there was no evidence of moderation by gender or parental monitoring. Findings highlight potential targets for preventive interventions with youth at risk of community violence exposure. 相似文献
78.
Christopher Reeves 《Journal of Child Psychotherapy》2013,39(3):444-455
The author offers reminiscences and reflections on Donald Winnicott during the last phase of his life and considers the personal and theoretical importance for him of the topic of death. The author goes on to examine similarities and differences between Winnicott's concepts of coming into being and ceasing to be. 相似文献
79.
马向涛 《医学与哲学(人文社会医学版)》2013,34(12):86-88
变性人这一因变性手术而产生的新的社会群体正在走进公众的视野,然而法律对变性手术及对变性人这一特殊人群的保护却并不完善.2009年,我国出台了<变性手术技术管理规范(试行)>,对变性手术引发的社会、法律、伦理等问题进行具体规定.随着变性手术的新进展与新变化,加强变性手术的管理,保障变性人的权益等问题均需进一步深入的研究与探索.对变性手术面临的困境和对策加以研究必将有利于各国人权保障的完善和社会生产生活的稳定,从而在此基础上谋求更长久的发展. 相似文献
80.
Andersson J 《Scandinavian journal of psychology》2001,42(4):367-375
The purpose of the study was to investigate explicit spatial and verbal collaborative memory performance. Factors such as friendship, age and gender were chosen for ecological and theoretical reasons. In Experiment 1 friendship and age were studied. The task was to retrieve the location of 25 pictures, which were presented in a 5 x 5-matrix grid. All participants retrieved once individually and once dyadically. Dyads were compared to the predicted base line, i.e., the pooled score from two participants working on their own (the same participants as in the dyad). Based on cognitive development aspects and collaboration data, it was predicted that the young collaborating dyads would not be able to reduce the net negative effects of collaboration to the same extent as older dyads. The findings revealed that, (1) dyadic collaboration affected spatial memory performance negatively, i.e., net negative effects of collaboration; (2) older (15-years-old), as opposed to young (7-years-old) dyads, reduced the net negative effects of collaboration and; (3) friend dyads, regardless of age, were able to reduce the net negative effect. In experiment 2, gender differences were studied in two explicit memory tasks. The purpose was to investigate if earlier findings of collaboration can be generalised to another ecological aspect of group composition, i.e., gender. Gender differences were studied at individual and group level. The results suggest that gender related memory differences exist on an individual and dyadic level in terms of absolute scores. Women remember explicit memory tasks to a greater degree than men. No main effect was found for gender in collaboration, i.e., both genders suffered compared to predicted potential. 相似文献