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381.
382.
Irwin S. Bernstein Robert M. Rose Thomas P. Gordon Cheryl L. Grady 《Aggressive behavior》1979,5(4):329-339
Two groups of pigtail monkeys were merged, a third was formed, and individual males were introduced into a group in a series of experiments examining the effects of social context upon agonistic rank, aggressive expression, and testosterone levels. In the first experiment, two heterosexual groups, containing adult males unfamiliar to the other group, were merged. The two groups fought, and the smaller group was defeated. The alpha and beta males of the defeated group were singled out for repeated attack and both showed significant drops in circulating levels of testosterone. Both males were removed from the group during the first day, but testosterone levels did not recover to baseline levels for several days. The alpha male of the victorious group, on the other hand, showed a significant rise in testosterone, which was apparent only on the day following the merger. In order to study the influence of previous social familiarity on male reception into a group, another group was formed by removing males from the victorious group and placing them in a separate enclosure. The males in the new group established a dominance hierarchy unrelated to their previous social ranks with one another. Three months later, each of the six adult males remaining in the parent group was individually introduced into the new group for one day or less. Each of the males introduced into the new group accepted a social position at the lower end of the dominance hierarchy without regard to his previous rank relationships with the host males when they were all in the parent group. Even the alpha and beta males of the parent group were relegated to low rank positions in the new group, despite having ranked over each of the host males since birth. In contrast to the aggression directed at the unfamiliar males in the first experiment, a minimum of aggression was directed to the familiar males introduced into the new group in the second experiment. Although the males introduced accepted low social ranks, it appeared that each was readily integrated into the group with a minimum of aggressive interaction during the time he was scheduled to remain in the group. There were no significant changes in circulating levels of testosterone in any of the males during the introductions of familiar males to one another. 相似文献
383.
Jordan L. Ho Deborah M. Powell Jeffrey R. Spence Andrew Perossa 《International Journal of Selection & Assessment》2020,28(3):247-263
Applicants may be willing to fake in job interviews with the aim of creating a positive impression. In two vignette‐based experiments, we examined if a competitive—versus noncompetitive—climate (Study 1) and hiring situation (Study 2) increased participants' willingness to fake. We also examined if Honesty–Humility and Competitive Worldviews moderated the relation between willingness to fake and how competitive participants believed they must be in order to secure the job. Results demonstrated that a competitive climate and hiring situation increased willingness to fake. Honesty–Humility and Competitive Worldviews were related to willingness to fake, but these relations did not change substantially at different levels of perceived need for competitiveness. Overall, results lend some theoretical support to propositions about applicant faking. 相似文献
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385.
要求中国被试基于对中国面孔图片的第一印象对图片中人物进行人格判断,运用主成分分析和平行分析的方法,探究面孔中的人格知觉维度。结果发现,中国被试知觉本族男性、女性面孔时存在“亲和性”和“能力”两个人格知觉维度。初步揭示了亲和性维度具有跨文化的共性,并提出更广义的能力维度,其内容包含支配性特质和坚韧性特质。 相似文献
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Development of category formation for faces differing by age in 9‐ to 12‐month‐olds: An effect of experience with infant faces 下载免费PDF全文
Fabrice Damon Paul C. Quinn Michelle Heron‐Delaney Kang Lee Olivier Pascalis 《The British journal of developmental psychology》2016,34(4):582-597
We examined category formation for faces differing in age in 9‐ and 12‐month‐olds, and the influence of exposure to infant faces on such ability. Infants were familiarized with adult or infant faces, and then tested with a novel exemplar from the familiarized category paired with a novel exemplar from a novel category (Experiment 1). Both age groups formed discrete categories of adult and infant faces, but exposure to infant faces in everyday life did not modulate performance. The same task was conducted with child versus infant faces (Experiment 2). Whereas 9‐month‐olds preferred infant faces after familiarization with child faces, but not child faces after familiarization with infant faces, 12‐month‐olds formed discrete categories of child and infant faces. Moreover, more exposure to infant faces correlated with higher novel category preference scores when infants were familiarized with infant faces in 12‐month‐olds, but not 9‐month‐olds. The 9‐month‐old asymmetry did not reflect spontaneous preference for infant over child faces (Experiment 3). These findings indicate that 9‐ and 12‐month‐olds can form age‐based categories of faces. The ability of 12‐month‐olds to form separate child and infant categories suggests that they have a more exclusive representation of face age, one that may be influenced by prior experience with infant faces. 相似文献
388.
Nicola A. Conners Edge Angela Kyzer Ashelyn Abney Audrey Freshwater Melissa Sutton Kimberly Whitman 《Infant mental health journal》2021,42(1):124-139
This program evaluation study describes 3 years of implementation of Arkansas's BehaviorHelp (BH) system, a statewide expulsion prevention support system for early care and education (ECE). BH coordinates three tiers of supports to ECE professionals, including phone support, on‐site technical assistance (TA), and infant and early childhood mental health consultation (IECMHC). We examine differences in characteristics of those served across BH service tiers, describe short‐term case outcomes, and explore factors associated with expulsions. BH accepted referrals for 1,195 children in 488 ECE programs. The majority of referrals involved male children over the age of three, and most cases were assigned to the TA tier (68.5%). Cases assigned to receive IECMHC (28.4%) were more likely to involve children in foster care, receiving developmental therapies, and with higher rates of exposure to potentially traumatic events. The expulsion rate among referred children was 2.9%, and reported teacher engagement with the support process was high. Teachers receiving IECMHC services reported significant improvements in children's symptoms of emotional and behavioral problems. Exploratory analyses revealed that risk factors for expulsion included being a male, in foster care, in a lower quality ECE environment, and having a teacher with less training in social–emotional development. 相似文献
389.
Ema Sullivan-Bissett 《Philosophical Psychology》2018,31(6):920-947
Empiricists about monothematic delusion formation agree that anomalous experience is a factor in the formation of these attitudes, but disagree markedly on which further factors (if any) need to be specified. I argue that epistemic innocence may be a unifying feature of monothematic delusions, insofar as a judgment of epistemic innocence to this class of attitudes is one that opposing empiricist accounts can make. The notion of epistemic innocence allows us to tell a richer story when investigating the epistemic status of monothematic delusions, one which resists the trade-off view of pragmatic benefits and epistemic costs. Though monothematic delusions are often characterized by appeal to their epistemic costs, they can play a positive epistemic role, and this is a surprising conclusion on which, so I argue, all empiricists can agree. Thus, I show that all empiricists have the notion of epistemic innocence at their disposal. 相似文献
390.
Manish Kumar Singh Bratindranath Mukherjee Joysurya Basu 《Philosophical Magazine Letters》2018,98(3):97-106
We report the formation of new phases in bimetallic Au–Cu nanoparticles. These phases were observed in nanoparticle synthesised by adopting a three-step protocol in a single pot. Nanoparticles at 180°C for 1?h led to the formation of single-phase solid solution of Cu in Au. Subsequent heat treatment at 290°C for 2?h of these Au–Cu nanoparticles revealed three new phases. One of them relates to the modification of occupancy of Cu in an ordered AuCu tetragonal phase (tP4). This cell although retains tetragonal symmetry but displays metrical properties akin to that of a cube. The other two relates to vacancy ordering along <111> directions in the {111} planes of an ordered AuCu3 cubic phase (cP4). On the one hand, statistical occupancy of vacancy on Cu site in this cell leads to the reduction of cell size from ~3.75?Å to ~3.5?Å whereas ordering of vacant layer on the other hand gives rise to symmetry breaking. Former continues to display cubic symmetry whereas latter transforms to a trigonal cell. 相似文献