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101.
Guy H. Walker Neville A. Stanton Mark S. Young 《Transportation Research Part F: Traffic Psychology and Behaviour》2008,11(4):282-299
The dominant technological trajectory in vehicle design brings with it similarly dominant driver performance issues in regard to vehicle feedback and driver situational awareness (SA). Three experiments are reported in this paper that describe not only the effects on driver SA of manipulations of vehicle feedback but also illuminate issues concerned with SA measurement methods and contexts. The findings suggest that current trends in vehicle design may contribute little towards a driver’s SA and, in fact, may actually show a generalized trend towards decreasing it. The efficacy of verbal protocol and probe recall SA measurement techniques is noted in terms of observing this effect. On the other hand, a concerning dissociation occurred with findings from a self-report measure of SA. Drivers appear to show a concerning lack of self-awareness of their SA and, indeed, any shortfall in it. 相似文献
102.
Cancer-related fatigue (CRF) is a significant clinical problem for more than 10 million adults diagnosed with cancer each year worldwide. No "gold standard" treatment presently exists for CRF. To provide a guide for future research to improve the treatment of CRF, the authors conducted the most comprehensive combined systematic and meta-analytic review of the literature to date on non-pharmacological (psychosocial and exercise) interventions to ameliorate CRF and associated symptoms (vigor/vitality) in adults with cancer, based on 119 randomized controlled trials (RCTs) and non-RCT studies. Meta-analyses conducted on 57 RCTs indicated that exercise and psychological interventions provided reductions in CRF, with no significant differences between these 2 major types of interventions considered as a whole. Specifically, multimodal exercise and walking programs, restorative approaches, supportive-expressive, and cognitive-behavioral psychosocial interventions show promising potential for ameliorating CRF. The results also suggest that vigor and vitality are distinct phenomena from CRF with regard to responsiveness to intervention. With improved methodological approaches, further research in this area may soon provide clinicians with effective strategies for reducing CRF and enhancing the lives of millions of cancer patients and survivors. 相似文献
103.
Guy Axtell 《Philosophical Studies》2006,130(1):131-152
Today we find philosophical naturalists and Christian theists both expressing an interest in virtue epistemology, while starting out from vastly different assumptions. What can be done to increase fruitful dialogue among these divergent groups of virtue-theoretic thinkers? The primary aim of this paper is to uncover more substantial common ground for dialogue by wielding a double-edged critique of certain assumptions shared by `scientific' and `theistic' externalisms, assumptions that undermine proper attention to epistemic agency and responsibility. I employ a responsibilist virtue epistemology to this end, utilizing it most extensively in critique of Alvin Plantinga’s Warranted Christian Belief (2000). Epistemological externalism presages, I also argue, a new demarcation problem, but a secondary aim of the paper is to suggest reasons to think that `responsibilist externalism,' especially as glossed in virtue-theoretic terms, provides its proponents with the ability to adequately address this problem as we find it represented in a potent thought-experiment developed by Barry Stroud. 相似文献
104.
Responding to the location of a target is slower when it appears at a recent distractor location [ignored-repetition (IR) trial] than when it arises at a new position [control (CO) trial], defining the location negative priming (NP) effect. On IR trials, both the distractor location and response are from the prior trial, and the locus question asks whether the delayed responding that arises is caused by the reused distractor position (i.e., a location locus) or the need to execute a distractor output (i.e., a response locus). A location NP procedure was used, incorporating a many:1 location-to-response mapping design, along with a response cue on some trials. A response locus for the location NP effect was indicated. Distractor-turned-target responses took longer to initiate than new outputs (many:1 paradigm), and valid response cues reduced distractor response interference and the location NP effect. Importantly, a possible S-R compatibility problem within the many:1 S-R paradigm was not supported. 相似文献
105.
As general practitioners (GP) are seeing, and are likely to continue to see, increasing numbers of obese patients in their practices, it is relevant to know with which needs these patients enter general practice. The present study aims to determine whether besides physical comorbidities, health-related quality of life (HRQOL) accounts for associations of obesity with GP use. In a general population survey in Augsburg, Germany (KORA-Survey S4 1999/2001), anthropometric body mass (BMI in kg/(m(2))), physical comorbidities, HRQOL (the 12-item Short Form; SF-12), and visits to GP were assessed, and analyzed by logistic and zero-truncated negative binomial regressions (two-part model). Gender, age, socio-economic status, marital status, health insurance, and place of residence were adjusted for. The sample consisted of N = 942 residents aged 25 - 74, who had been randomly sampled from 17 cluster-sampled communities, and were either normal-weight, overweight, moderately obese, or severely obese. The moderately obese group had higher odds than the normal-weight to report any GP use; however, while being predictive, neither physical comorbidity nor HRQOL mediated this. In contrast, with regard to number of GP visits among users, the severely obese group (BMI >/= 35) reported significantly more visits than the normal-weight group, and both physical comorbidity and physical (but not mental) HRQOL accounted for this. In conclusion, physical comorbidity and HRQOL mediate excess use of GP by severely obese users in terms of number of visits. Thus, for this group, subjective physical health seems to be important besides physical comorbidities, suggesting for general practice to focus both on evaluated and perceived needs of these patients. 相似文献
106.
Although statistical power is often considered in the design of primary research studies, it is rarely considered in meta-analysis.
Background and guidelines are provided for conducting power analysis in meta-analysis, followed by the presentation of a SAS
macro that calculates power using the methods described by Hedges and Pigott (2001, 2004). Several detailed examples are given,
including input statements and output. Practical issues in the application of power analysis to meta-analysis are discussed.
The macro and examples may be downloaded as supplemental materials for this article from brm.psychonomic-journals.org/content/supplemental. 相似文献
107.
Geyer T Von Mühlenen A Müller HJ 《Quarterly journal of experimental psychology (2006)》2007,60(7):924-935
Horowitz and Wolfe (1998, 2003) have challenged the view that serial visual search involves memory processes that keep track of already inspected locations. The present study used a search paradigm similar to Horowitz and Wolfe's (1998), comparing a standard static search condition with a dynamic condition in which display elements changed locations randomly every 111 ms. In addition to measuring search reaction times, observers' eye movements were recorded. For target-present trials, the search rates were near-identical in the two search conditions, replicating Horowitz and Wolfe's findings. However, the number of fixations and saccade amplitude were larger in the static than in the dynamic condition, whereas fixation duration and the latency of the first saccade were longer in the dynamic condition. These results indicate that an active, memory-guided search strategy was adopted in the static condition, and a passive “sit-and-wait” strategy in the dynamic condition. 相似文献
108.
Guy Axtell 《Synthese》2007,158(3):363-383
This essay extends my side of a discussion begun earlier with Duncan Pritchard, the recent author of Epistemic Luck.Pritchard’s work contributes significantly to improving the “diagnostic appeal” of a neo-Moorean philosophical response to
radical scepticism. While agreeing with Pritchard in many respects, the paper questions the need for his concession to the
sceptic that the neo-Moorean is capable at best of recovering “‘brute’ externalist knowledge”. The paper discusses and directly
responds to a dilemma that Pritchard poses for virtue epistemologies (VE). It also takes issue with Pritchard’s “merely safety-based”
alternative. Ultimately, however, the criticisms made here of Pritchard’s dilemma and its underlying contrast of “anti-luck”
and “virtue” epistemologies are intended to help realize his own aspirations for a better diagnosis of radical scepticism
to inform a still better neo-Moorean response. 相似文献
109.
Guy Bodenmann 《Psychotherapeut》2001,46(3):161-168
This article focuses on relevant modifications in behavioral marital therapy. Two main topics are addressed: (a) relevant new techniques in marital therapy and (b) important new aims in the prevention of marital problems. Whereas in the first part most essential new techniques such as the acceptance work proposed by Jacobson and Christensen, emotion-focused approaches and the strengthening of marital knowledge are presented, the second part deals with the importance of the prevention of marital problems. The goals of modern cognitive behavioral therapy should focus not only on repairing marital problems but even more on prevention and a broader dissemination of empirically founded knowledge about marital functioning. 相似文献
110.
Brain damage may doubly dissociate cognitive modules, but the practice of revealing dissociations is predicated on modularity being true (T. Shallice, 1988). This article questions the utility of assuming modularity, as it examines a paradigmatic double dissociation of reading modules. Reading modules illustrate two general problems. First, modularity fails to converge on a fixed set of exclusionary criteria that define pure cases. As a consequence, competing modular theories force perennial quests for purer cases, which simply perpetuates growth in the list of exclusionary criteria. The first problem leads, in part, to the second problem. Modularity fails to converge on a fixed set of pure cases. The second failure perpetuates unending fractionation into more modules. 相似文献