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171.
Yolanda Suarez-Balcazar Vincent T. Francisco Noé Rubén Chávez 《American journal of community psychology》2020,66(3-4):217-221
This special issue highlights work that contributes to our understanding of health disparities and community-based participatory research (CBPR) approaches to promoting health equity across diverse populations and issues that matter to communities. We take on a global perspective, and thus, various efforts across international contexts are illustrated. Articles elucidate a variety of CBPR approaches designed to empower and build capacity among individuals and communities in order to seek changes at the level of community practices, programs, and systems. These articles span across diverse populations—children, youth, and families; adults and older adults; immigrants; refugees; Black people; Latinx people; Native Americans/Indigenous people, the Roma community; Muslim women, and women with disabilities—experiencing inequities of interest to community psychologists and other researchers and practitioners. 相似文献
172.
Emanuele Castano Vincent YzerbytDavid Bourguignon Eléonore Seron 《Journal of experimental social psychology》2002,38(3):315-322
An experiment was conducted to examine the impact of identification with the in-group on the categorization of pictures depicting in-group and out-group faces. Findings showed that high identifiers classified fewer pictures as in-group members than did low identifiers. High and low identifiers also differed in their categorization latencies. Whereas high identifiers seemed more concerned with erroneously including an out-group member in the in-group, low identifiers seemed concerned with accuracy. The results are discussed with regard to the motivations underlying social categorization as well as to other phenomena that have been discovered through research on social identity theory. 相似文献
173.
This study addresses a possible link between suicide and casino gambling. Resident suicide rates are analyzed for (a) a 1990 cross-section of 148 U.S. metropolitan areas and (b) before and after the advent of legalized casinos in five U.S. counties. Data are drawn from government and gaming industry sources. In cross-section, metro area suicide is strongly correlated with region, accidental death and homicide rates, age and race composition, and economic vitality, followed by a modest net positive correlation with casino presence. By contrast, the time series analysis yields no evidence of a gambling effect. 相似文献
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Recent work has shown that correcting a dispositional inference may lead social observers to over‐emphasize the role of dispositional factors in subsequent judgments. This effect has been explained as a procedural rebound following a phase of dispositional suppression. We conducted two experiments to test an alternative explanation in terms of ego‐depletion. In Experiment 1, we compared the effects of ego‐depletion and dispositional rebound by relying on the attitude attribution paradigm and the cookie paradigm. In Experiment 2, we turned to a difficult math task in order to induce fatigue. We were able to replicate the dispositional rebound and the ego‐depletion effects but none of the experiments supported an ego‐depletion explanation of post‐suppression dispositional rebound. Copyright © 2006 John Wiley & Sons, Ltd. 相似文献
176.
Ris L Capron B Sclavons C Liégeois JF Seutin V Godaux E 《Learning & memory (Cold Spring Harbor, N.Y.)》2007,14(6):390-399
In area CA1 of hippocampal slices, a single 1-sec train of 100-Hz stimulation generally triggers a short-lasting long-term potentiation (S-LTP) of 1–2 h. Here, we found that when such a train was applied 45 min after application of the small conductance Ca2+-activated K+ (SK) channel blocker apamin, it induced a long-lasting LTP (L-LTP) of several hours, instead of an S-LTP. Apamin-induced SK channel blockage is known to resist washing. Nevertheless, the aforementioned effect is not a mere delayed effect; it is metaplastic. Indeed, when a single train was delivered to the Schaffer’s collaterals during apamin application, it induced an S-LTP, like in the control situation. At the moment of this LTP induction (15th min of apamin application), the SK channel blockage was nevertheless complete. Indeed, at that time, under the influence of apamin, the amplitude of the series of field excitatory postsynaptic potentials (fEPSPs) triggered by a stimulation train was increased. We found that the metaplastic effect of apamin on LTP was crucially dependent on the NO-synthase pathway, whereas the efficacy of the NMDA receptors was not modified at the time of its occurrence. We also found that apamin produced an increase in paired-pulse facilitation not during, but after, the application of the drug. Finally, we found that the induction of each of these two metaplastic phenomena was mediated by NMDA receptors. A speculative unitary hypothesis to explain these phenomena is proposed. 相似文献
177.
This study tested the prospective effects of hope on depression and anxiety using a longitudinal design. A sample of 522 college students completed self-report measures of hope, depression, and anxiety at three time points, with 1-month delays between administrations. Structural equation modeling was employed to test two cross-lagged panel models of the reciprocal effects of the Agency and Pathways components of hope on depression and anxiety. Results indicated statistically significant negative effects for the Agency component of hope on later depression but no unique effect of the Pathways component of hope on depression. Likewise, Agency showed a statistically significant negative effect on later anxiety, but again Pathways had no significant influence on anxiety. In both cases, neither depression nor anxiety demonstrated any longitudinal effects on either the Agency or Pathways components of hope. Implications of these findings are discussed, along with potential directions for future research. 相似文献
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Decades of research has shown that example-based learning is an effective instructional strategy for learning new skills. The field of learning from examples is seeing a shift in focus towards more innovative and use-inspired research, in part because the use of examples for informal and formal learning purposes has mushroomed. This special issue comprises a set of eight papers in which students learned a procedural skill from worked examples or modeling examples. Each study characterizes a recent development towards more innovative example-based learning research. These developments are: (a) the integration of social-cognitive and cognitive example research, (b) the integration of example-based learning and analogical reasoning research, (c) the extension of traditional Cognitive Load Theory effects, (d) a greater focus on learning from (productive) errors, and (e) more research on individual differences. This special issue concludes with insightful commentary articles written by Prof. Dr. Katharina Scheiter and Prof. Dr. Richard Mayer. 相似文献