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241.
Christian List 《Synthese》2012,187(1):179-207
This paper provides an introductory review of the theory of judgment aggregation. It introduces the paradoxes of majority voting that originally motivated the field, explains several key results on the impossibility of propositionwise judgment aggregation, presents a pedagogical proof of one of those results, discusses escape routes from the impossibility and relates judgment aggregation to some other salient aggregation problems, such as preference aggregation, abstract aggregation and probability aggregation. The present illustrative rather than exhaustive review is intended to give readers who are new to the field of judgment aggregation a sense of this rapidly growing research area. 相似文献
242.
A recent meta-analysis of 103 studies Burt (Clinical Psychology Review, 29:163-178, 2009a) highlighted the presence of etiological distinctions between aggressive (AGG) and non-aggressive rule-breaking (RB) dimensions of antisocial behavior, such that AGG was more heritable than was RB, whereas RB was more influenced by the shared environment. Unfortunately, behavioral genetic research on antisocial behavior to date (and thus, the research upon which the meta-analysis was based) has relied almost exclusively on the classical twin model. This reliance is problematic, as the strict assumptions that undergird this model (e.g., shared environmental and dominant genetic influences are not present simultaneously; there is no assortative mating) can have significant consequences on heritability estimates when they are violated. The nuclear twin family model, by contrast, allows researchers to relax and statistically evaluate many of the assumptions of the classical twin design by incorporating parental self-report data along with the more standard twin data. The goal of the current study was thus to evaluate whether prior findings of etiological distinctions between AGG and RB persisted when using the nuclear twin family model. We examined a sample of 312 child twin families from the Michigan State University Twin Registry. Results strongly supported prior findings of etiological distinctions between AGG and RB, such that broad genetic influences were observed to be particularly important to AGG whereas shared environmental influences contributed only to RB. Nevertheless, the current findings also implied that additive genetic influences on antisocial behavior may be overestimated when using the classical twin design. 相似文献
243.
Frischen A Ferrey AE Burt DH Pistchik M Fenske MJ 《Journal of experimental psychology. Human perception and performance》2012,38(1):169-179
Affective evaluations of previously ignored visual stimuli are more negative than those of novel items or prior targets of attention or response. This has been taken as evidence that inhibition has negative affective consequences. But inhibition could act instead to attenuate or "neutralize" preexisting affective salience, predicting opposite effects for stimuli that were initially positive or negative in valence. We tested this hypothesis by presenting trustworthy and untrustworthy faces (Experiment 1), strongly positive and negative photographs (Experiment 2), and monetary gain- and loss-associated patterns (Experiment 3) in a Go/No-Go task and assessing subsequent affective ratings. Evaluations of prior No-Go (inhibited) stimuli were more negative than of prior Go (noninhibited) stimuli, regardless of a priori affective valence. Ratings of No-Go stimuli also became increasingly negative (vs. increasingly neutral) when preexisting salience was increased via stimulus repetition (Experiment 4). Our results suggest inhibition leads to affective devaluation, not affective neutralization. 相似文献
244.
Bramão I Faísca L Forkstam C Inácio F Araújo S Petersson KM Reis A 《Brain and cognition》2012,78(1):28-37
In this study, we used event-related potentials (ERPs) to evaluate the contribution of surface color and color knowledge information in object identification. We constructed two color-object verification tasks - a surface and a knowledge verification task - using high color diagnostic objects; both typical and atypical color versions of the same object were presented. Continuous electroencephalogram was recorded from 26 subjects. A cluster randomization procedure was used to explore the differences between typical and atypical color objects in each task. In the color knowledge task, we found two significant clusters that were consistent with the N350 and late positive complex (LPC) effects. Atypical color objects elicited more negative ERPs compared to typical color objects. The color effect found in the N350 time window suggests that surface color is an important cue that facilitates the selection of a stored object representation from long-term memory. Moreover, the observed LPC effect suggests that surface color activates associated semantic knowledge about the object, including color knowledge representations. We did not find any significant differences between typical and atypical color objects in the surface color verification task, which indicates that there is little contribution of color knowledge to resolve the surface color verification. Our main results suggest that surface color is an important visual cue that triggers color knowledge, thereby facilitating object identification. 相似文献
245.
Bardi M Rhone AP Franssen CL Hampton JE Shea EA Hyer MM Huber J Lambert KG 《Stress (Amsterdam, Netherlands)》2012,15(3):306-317
Effective coping strategies and adaptive behavioral training build resilience against stress-induced pathology. Both predisposed and acquired coping strategies were investigated in rats to determine their impact on stress responsiveness and emotional resilience. Male Long-Evans rats were assigned to one of the three coping groups: passive, active, or variable copers. Rats were then randomly assigned to either an effort-based reward (EBR) contingent training group or a non-contingent training group. Following EBR training, rats were tested in appetitive and stressful challenge tasks. Physiological responses included changes in fecal corticosterone and dehydroepiandrosterone (DHEA) metabolites as well as neuropeptide Y (NPY)-immunoreactivity in the hippocampus and amygdala. Regardless of a rat's predisposed coping strategy, EBR rats persisted longer than non-contingent rats in the appetitive problem-solving task. Furthermore, training and coping styles interacted to yield the seemingly most adaptive DHEA/corticosterone ratios in the EBR-trained variable copers. Regardless of training group, variable copers exhibited increased NPY-immunoreactivity in the CA1 region. 相似文献
246.
Kristin Duppong Hurley Annette Griffith Stephanie Ingram Claudine Bolivar W. Alex Mason Alexandra Trout 《Journal of child and family studies》2012,21(6):1003-1017
This study examined the effects of the Boys Town In-Home Family Program (BT-IHFP) on parenting skills, family functioning, and child behavior for at-risk families involved with child protective services. The BT-IHFP is designed as a home-based, family-centered alternative to out-of-home placement with the goal of improving family functioning, keeping families together, and preventing further involvement with child protective services. The model uses a hands-on cognitive-behavioral approach, promotes family engagement, provides 24/7 services to families, and links families to community resources. While it is essential to examine ultimate, long-term outcomes such as family preservation, it is also important to investigate the proximal and intermediate outcomes that address the key changes in behavior that support successful long-term outcomes. The goals of this study were to (1) examine the pre-post change of proximal and intermediate outcomes and (2) examine if improvements in parenting skills, parental roles, and parental stress (proximal outcomes) will be related to improvements in child behavior at home, child behavior at school, and family functioning (intermediate outcomes). Inspecting intake and discharge data for 44 families, 94% were intact at discharge and significant pre-post improvements were found in proximal and intermediate outcomes. These findings suggest that this six-week intensive BT-IHFP holds promise for teaching at-risk families skills to promote positive family functioning. 相似文献
247.
248.
Keough ME Porter E Kredlow MA Worthington JJ Hoge EA Pollack MH Shear MK Simon NM 《Assessment》2012,19(2):257-259
The Panic Disorder Severity Scale (PDSS) is a clinician-administered measure of panic disorder symptom severity widely used in clinical research. This investigation sought to provide clinically meaningful anchor points for the PDSS both in terms of clinical severity as measured by the Clinical Global Impression-Severity Scale (CGI-S) and to extend its clinical meaningfulness by examining its association with quality of life. A total of 63 individuals with a primary diagnosis of panic disorder were assessed on completion of a 6- or 8-week psychotherapy or pharmacotherapy trial for the treatment of panic disorder. As expected, the PDSS was correlated with both the CGI-S and quality of life. These results provide further support for the validity and clinical utility of the PDSS and provide simple anchors to help guide the potential use of the PDSS scale to measure treatment progress in clinical practice. 相似文献
249.
Alexandra Berlina 《Sexuality & culture》2012,16(4):449-466
This essay deals with the representation of homosexuality in the Russian version of Michael Cunningham??s The Hours. References to same-sex relations and gay identity are the most problematic aspects of Dmitrii Vedeniapin??s translation; in this domain, it differs most from the original text. How and why? After an overview of the target context, different aspects are analysed: the translation of relevant terms such as queer and dyke; the (dis)appearance of gay issues; polls concerning the usage of gay-connected vocabulary as well as surveys of dictionary entries are used. The essay shows how a non-homophobic translator changed the text in an apparently anti-gay way, rendering it into a language of a largely homophobic society. 相似文献
250.
Sexual debut represents a developmental transition that holds possibility for growth and for risk. Family and neighborhood may impact timing of debut. This qualitative study examined family strategies (e.g., moving, parental monitoring), perceptions of neighborhood, and attitudes about sex and sexual debut among sexually experienced and inexperienced African American adolescent females living in disadvantaged urban neighborhoods. Findings show that more familial strategies were reported by sexually inexperienced females, suggesting that strategies may delay sexual debut. Furthermore, experiences with neighborhood violence related to attitudes about sex and sexual debut, suggesting a linkage between death anxiety and sexual debut among female youth. 相似文献