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61.
62.
In a series of four studies, we investigated the visual cues that walkers use to predict slippery ground surfaces and tested whether visual information is reliable for specifying low-friction conditions. In Study 1, 91% of participants surveyed responded that they would use shine to identify upcoming slippery ground. Studies 2-4 confirmed participants' reliance on shine to predict slip. Participants viewed ground surfaces varying in gloss, paint color, and viewing distance under indoor and outdoor lighting conditions. Shine and slip ratings and functional walking judgments were related to surface gloss level and to surface coefficient of friction (COF). However, judgments were strongly affected by surface color, viewing distance, and lighting conditions--extraneous factors that do not change the surface COF. Results suggest that, although walkers rely on shine to predict slippery ground, shine is not a reliable visual cue for friction. Poor visual information for friction may underlie the high prevalence of friction-related slips and falls. 相似文献
63.
This study investigated whether measuring the phenomenology of eyewitness identification decisions aids evaluation of their accuracy. Witnesses (N = 502) viewed a simulated crime and attempted to identify two targets from lineups. A divided attention manipulation during encoding reduced the rate of remember (R) correct identifications, but not the rates of R foil identifications or know (K) judgments in the absence of recollection (i.e., K/[1 − R]). Both RK judgments and recollection ratings (a novel measure of graded recollection) distinguished correct from incorrect positive identifications. However, only recollection ratings improved accuracy evaluation after identification confidence was taken into account. These results provide evidence that RK judgments for identification decisions function in a similar way as for recognition decisions; are consistent with the notion of graded recollection; and indicate that measures of phenomenology can enhance the evaluation of identification accuracy. 相似文献
64.
Extensionality and Restriction in Naive Set Theory 总被引:1,自引:0,他引:1
Zach Weber 《Studia Logica》2010,94(1):87-104
The naive set theory problem is to begin with a full comprehension axiom, and to find a logic strong enough to prove theorems,
but weak enough not to prove everything. This paper considers the sub-problem of expressing extensional identity and the subset
relation in paraconsistent, relevant solutions, in light of a recent proposal from Beall, Brady, Hazen, Priest and Restall
[4]. The main result is that the proposal, in the context of an independently motivated formalization of naive set theory,
leads to triviality. 相似文献
65.
Candice P. Boyd Eleonora Gullone Marion Kostanski Thomas H. Ollendick Daniel T. L. Shek 《The Journal of genetic psychology》2013,174(4):479-492
Data from two Australian studies were combined so that the prevalence of anxiety and depression in a large, normative sample of Australian adolescents could be investigated. The combined sample comprised 1,299 adolescents randomly selected from metropolitan and country schools in Melbourne, a large Australian city. The data were examined in order to ascertain the percentages of adolescents who scored above the clinical cut-off on two self-report instruments-the Revised Children's Manifest Anxiety Scale (C. R. Reynolds & B. 0. Richmond, 1985) and the Reynolds Adolescent Depression Scale (W. M. Reynolds, 1986). The results of these analyses were then compared with previously reported prevalence rates from studies worldwide. This comparison revealed striking differences in the prevalence of anxiety and depression across different countries and cultures. Limitations attributable to different self-report measures and imposed-etic approaches are discussed. Issues pertaining to social and political climate are also raised. 相似文献
66.
Anne Smith Christopher A. Moore David H. McFarland Christine M. Weber 《Journal of motor behavior》2013,45(2):148-167
The role played by reflex pathways in the production of movement has been a significant issue for motor control theorists interested in a wide variety of motor behaviors. From studies of locomotion and chewing, it appears that gains in reflex pathways can be altered so that activity in these pathways does not produce destabilizing responses during movement. In speech production, recent experimental evidence has been interpreted to suggest that autogenetic lip reflexes (perioral reflexes) are suppressed during sustained phonation or speech production. The present study was conducted to assess the effects of phonation, direction of movement, and ongoing speech production on reflex responses of lip muscles. The present results suggest, in contrast to earlier work, that this reflex pathway is not suppressed during phonation or speech. However, the response may appear to be suppressed or absent because the amplitude of the observed response depends upon the activation levels of the various muscles of the lower lip and, therefore, indirectly on the nature of the gesture the subject is instructed to produce. 相似文献
67.
68.
Marco Weber Willibald Ruch Hadassah Littman-Ovadia Shiri Lavy Or Gai 《Personality and individual differences》2013
We investigated relationships among five higher-order strengths factors, subjective well-being, and general self-efficacy in participants that live under challenging conditions. Therefore, a sample of 396 Israeli adolescents (aged 13–18 years) completed the Values in Action Inventory of Strengths for Youth, the Satisfaction With Life Scale, the Affect Balance Scale, and the General Self-Efficacy Scale. An orthogonally rotated principal component analysis of the 24 character strengths yielded five strengths factors that explained 32% of the variance in life satisfaction, with the transcendence strengths factor as the most substantial predictor. The strongest predictors of positive affect were the transcendence and leadership strengths factors; the best predictors of negative affect were the transcendence and temperance strengths factors; and the strongest predictor of affect balance was the transcendence strengths factor. The five strengths factors explained 46% of the variance in general self-efficacy, with the leadership strengths factor as the most substantial predictor. Further analysis indicated that general self-efficacy mediated the relationship between leadership strengths and global life satisfaction. The results suggest that different strengths factors are relevant for different positive experiences (e.g., life satisfaction, self-efficacy beliefs). The findings shed light on the contribution of specific character strengths as a meaningful resource under stressful conditions. 相似文献
69.
Steven L. Blader Batia M. Wiesenfeld Marion Fortin Sara L. Wheeler-Smith 《Organizational behavior and human decision processes》2013
The present research explores third parties’ (e.g., jurors, ombudsmen, auditors, and employees observing others’ encounters) ability to objectively judge fairness. More specifically, the current research suggests that third parties’ justice judgments and reactions are biased by their attitudes toward the decision recipient and, in particular, the affective aspect of those attitudes as characterized by their felt social emotions. We explore how the congruence of a social emotion (i.e., the extent to which the emotion reflects feeling a subjective sense of alignment with the target of the emotion) can influence their evaluations of recipients’ decision outcomes. The five studies presented show that congruence can lead third parties to react positively to objectively unfair decision outcomes and, importantly, that the influence of social emotions on subjective justice judgments drive third party reactions to decisions, decision makers, and even national policies. 相似文献
70.
Ecosystemic structural family therapy (ESFT) is a systemic, strength-based, and trauma-informed family therapy model that has evolved from structural family therapy (SFT; Minuchin in Families and family therapy, Harvard University Press, Cambridge, 1974). ESFT is an evidenced-based family therapy approach designed to intervene with families of children who are experiencing behavioral health problems and are at the risk of out-of-home placement. In this article we review the theoretical, applied, and empirical evolution of ESFT relative to extant SFT models. ESFT is based on the fundamental assumption that child, parental, and marital functioning are inextricably linked to their relational environment. Five interrelated constructs guide ESFT therapists in their understanding of clinical problems: family structure; family and individual emotional regulation; individual differences (e.g., historical, biological, cultural, developmental); affective proximity; and family development (Gehart 2010). ESFT has an extensive evaluation history dating back to the 1980s involving over 4,000 families in 39 different sites. While ESFT is considered evidence-based, it might be more consistent with “Practice-Based Evidence” given its long, extensive, and successful, history in the child mental health system in Pennsylvania. 相似文献