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31.
Philosophical Studies - What could ground normative restrictions concerning cultural appropriation in cases where they are not grounded by independent considerations such as property rights or... 相似文献
32.
Gelman and Echelbarger (2019—this issue) provide a valuable discussion about children's understanding of the inferred or nonobvious features of objects, which has implications for how children value products. We further this conversation by examining how children value products and brands as a means for meeting important goals, which we refer to as instrumental valuation. Specifically, we examine developmental trends in instrumental valuation for three goals—self‐concept development, self‐presentation, and happiness. Across these areas, we find that children place greater value on products and brands for meeting these goals as they grow older, particularly during late childhood and early adolescence. We conclude with a discussion of how age differences in instrumental valuation add to the general conversation about how children of different ages value objects. 相似文献
33.
This study explored the effects of inclusive leadership on employee well-being and innovative behavior. We also investigated the mediating role of person-job fit in these relationships. We tested these effects on a sample of 207 employees in five telecommunication companies in Vietnam, using a questionnaire survey. The results showed that inclusive leadership is positively related to employee well-being and innovative behavior, and that person-job fit mediates these relationships. The study makes theoretical contributions to the literature of leadership and organizational psychology, and suggests useful managerial implications for organizations to boost employee well-being and innovative behavior. Taking a cultural approach, this study provides empirical cross-cultural validity of the effect of inclusive leadership on employee well-being. 相似文献
34.
Despite increased use of professional learning communities in the teacher education field, they do not necessarily guarantee change in teachers’ daily practice. This study is a multiple case study of three school leaders in Vietnam to connect their teachers’ learning and practice by utilising visual records. In the cases studied, we see a progression of models of joint reflection based on visual information, from only occasional reflection to daily critical reflection, the latter of which the authors call ‘vide-flection’ referring to a process for people to consider their actions, thoughts, or experiences by utilising video-recorded images. For joint vide-flection, school leaders visit every classroom for several minutes every day to observe the wellbeing and learning of pupils and video-record struggles or breakthroughs in children’s learning; they share those images with teachers to jointly reflect on the situations. Through this vide-flection, teachers develop more detailed awareness of pupils needs. 相似文献
35.
Tailoring the Mode of Information Presentation: Effects on Younger and Older Adults' Attention and Recall of Online Information
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Minh Hao Nguyen Julia C. M. van Weert Nadine Bol Eugène F. Loos Kristien M. A. J. Tytgat Anthony W. H. van de Ven Ellen M. A. Smets 《人类交流研究》2017,43(1):102-126
Previous studies have mainly focused on tailoring message content to match individual characteristics and preferences. This study investigates the effect of a website tailored to individual preferences for the mode of information presentation, compared to 4 nontailored websites on younger and older adults' attention and recall of information, employing a 5 (condition: tailored vs. text, text with illustrations, audiovisual, combination) × 2 (age: younger [25–45] vs. older [≥65] adults) design (N = 559). The mode‐tailored condition (relative to nontailored conditions) improved attention to the website and, consequently, recall in older adults, but not in younger adults. Younger adults recalled more from nontailored information such as text only or text with illustrations, relative to tailored information. 相似文献
36.
Aya Goto Quang Vinh Nguyen Thi Tu Van Nguyen Nghiem Minh Pham Thi Mong Thuy Chung Huu Phuc Trinh Junko Yabe Hitomi Sasaki Seiji Yasumura 《Journal of child and family studies》2010,19(1):118-127
We conducted this cross-sectional study among 392 Japanese and 294 Vietnamese mothers who attended routine child health visits
in a Japanese city and at a tertiary hospital in Vietnam, in order to investigate the prevalence and associated sociodemographic,
parenting, and psychological characteristics of low maternal confidence in child rearing among them. All data were collected
from medical files in Japan, and from medical files and self-administered questionnaires in Vietnam. The proportion of mothers
without secure feeling of confidence in the present study was 22% in Japan and 66% in Vietnam. Significant factors associated
with a lack of confidence were first-time motherhood and unintended pregnancy in the Japanese dataset and younger age in the
Vietnamese dataset. In both groups, a higher proportion of mothers who lacked confidence reported negative parenting outcomes
than did confident mothers. Among the three psychological measurements (mood, self-efficacy and depression), higher self-efficacy
was associated independently with a significantly reduced risk of not having confidence in child rearing. These results suggest
the importance of developing parenting support programs to help Japanese and Vietnamese mothers, particularly those who are
young, first-time mothers or who became pregnant unexpectedly, improve their self-efficacy. 相似文献
37.
Two studies of ethnically diverse US college students from northern California examined whether ingroup bias and gender norm violations influence acquaintance rape attributions (Study 1, N?=?118; Study 2, N?=?140). Participants read vignettes depicting acquaintance rape and completed questionnaires. Victims were part of participants’ ingroup or outgroup. Study 1 manipulated the victim’s sexual history (chaste or promiscuous). Study 2 manipulated the victim’s alcohol use (sober or intoxicated). Ingroup victims were perceived more positively than outgroup victims if the victims were promiscuous or intoxicated. More guilt was attributed to rapists of ingroup victims than outgroup victims if the victims were promiscuous or intoxicated. Findings are examined in relation to ingroup bias and gender norm violations. 相似文献
38.
Gelinas JN Tenorio G Lemon N Abel T Nguyen PV 《Learning & memory (Cold Spring Harbor, N.Y.)》2008,15(5):281-289
Activation of β-adrenergic receptors (β-ARs) enhances hippocampal memory consolidation and long-term potentiation (LTP), a likely mechanism for memory storage. One signaling pathway linked to β-AR activation is the cAMP-PKA pathway. PKA is critical for the consolidation of hippocampal long-term memory and for the expression of some forms of long-lasting hippocampal LTP. How does β-AR activation affect the PKA-dependence, and persistence, of LTP elicited by distinct stimulation frequencies? Here, we use in vitro electrophysiology to show that patterns of stimulation determine the temporal phase of LTP affected by β-AR activation. In addition, only specific patterns of stimulation recruit PKA-dependent LTP following β-AR activation. Impairments of PKA-dependent LTP maintenance generated by pharmacologic or genetic deficiency of PKA activity are also abolished by concurrent activation of β-ARs. Taken together, our data show that, depending on patterns of synaptic stimulation, activation of β-ARs can gate the PKA-dependence and persistence of synaptic plasticity. We suggest that this may allow neuromodulatory receptors to fine-tune neural information processing to meet the demands imposed by numerous synaptic activity profiles. This is a form of “metaplasticity” that could control the efficacy of consolidation of hippocampal long-term memories.The hippocampus importantly contributes to memory function in the mammalian brain (Zola-Morgan et al. 1986; Eichenbaum et al. 1990; Otto and Eichenbaum 1992; Phillips and LeDoux 1992; Remondes and Schuman 2004). It has reciprocal connections with numerous cortical areas, including those responsible for high-level integration of spatial and contextual data from the external environment (Lavenex and Amaral 2000). As such, the hippocampus is well positioned to receive and survey a broad range of information and select behaviorally salient data for long-term storage. Activity-dependent enhancement of hippocampal synaptic strength can store information carried in patterns of afferent neural activity (Bliss and Collingridge 1993; Moser et al. 1998; Nathe and Frank 2003; Whitlock et al. 2006). Substantial evidence suggests that long-term potentiation (LTP) of synaptic strength plays important roles in the formation of long-term memory (LTM) (Doyere and Laroche 1992; Bourtchuladze et al. 1994; Abel and Lattal 2001; Genoux et al. 2002). As such, mechanistic studies of LTP have shed valuable light on how the mammalian brain stores new information.The hippocampus receives dense noradrenergic projections from the locus coeruleus, a brain structure that can influence many vital brain functions, including attention, sleep, arousal, mood regulation, learning, and memory (Berridge and Waterhouse 2003). Both α- and β-adrenergic receptor subtypes are present on hippocampal neurons (Morrison and Foote 1986; Berridge and Waterhouse 2003), and noradrenaline (NA) acts on hippocampal β-adrenergic receptors (β-ARs) to facilitate the retention and recall of memory (Izquierdo et al. 1998; Ji et al. 2003; Murchison et al. 2004). In humans, stimulation of the noradrenergic neuromodulatory system enhances memory for emotional stimuli, and inhibition of β-ARs prevents this memory enhancement (Cahill et al. 1994; van Stegeren et al. 1998; O’Carroll et al. 1999).Consistent with the notion that selective enhancement of LTM may occur following β-AR activation, stimulation of β-ARs can also facilitate the persistence of LTP. In areas CA3 and CA1, β-AR activation facilitates the induction of long-lasting LTP when paired with certain patterns of electrical stimulation (Huang and Kandel 1996; Gelinas and Nguyen 2005). However, the mechanisms by which different patterns of stimulation control synaptic responsiveness to β-AR activation are unclear.β-ARs couple to guanine-nucleotide-binding regulatory Gs proteins to stimulate adenylyl cyclase activity and increase intracellular cAMP (Seeds and Gilman 1971; Maguire et al. 1977). A main target of cAMP signaling is activation of cAMP-dependent protein kinase (PKA), a kinase that is required for some forms of long-lasting LTP and for consolidation of hippocampal LTM (Frey et al. 1993; Abel et al. 1997; Nguyen and Woo 2003). Interestingly, the PKA-dependence of hippocampal LTP displays plasticity: Specific temporal patterns of synaptic stimulation, such as repeated and temporally spaced 100-Hz stimulation, elicit LTP that requires PKA for its expression (Woo et al. 2003). Also, spatial “enrichment” can increase the PKA-dependence of LTP in mice, and this is correlated with improved hippocampal memory function (Duffy et al. 2001). However, it is unclear whether activation of β-ARs can critically gate the PKA-dependence of LTP. In this study, we examine the effects of β-AR activation on LTP generated by various patterns of afferent stimulation in area CA1 of the hippocampus, and we determine the role of PKA in these β-AR-modulated forms of LTP. 相似文献
39.
Linh Anh Nguyen 《Studia Logica》2001,69(1):41-57
We give complete sequent-like tableau systems for the modal logics KB, KDB, K5, and KD5. Analytic cut rules are used to obtain the completeness. Our systems have the analytic superformula property and can thus give a decision procedure. Using the systems, we prove the Craig interpolation lemma for the mentioned logics. 相似文献
40.