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931.
Shifts of attention that are directed by spatial words are thought to be mediated by a spatial frame of reference. Previous studies have documented a selection cost when visual attention is directed along the left/right axis relative to the above/below axis due to the greater ambiguity of the horizontal endpoints. The present study investigated whether the horizontal endpoints may be more fully disambiguated when “left/right” cues are first enacted by nondivisible, more discrete, modes of orienting such as directional motor responses. This issue was investigated using a repetition priming paradigm in which the effects of prior enactments were measured on the subsequent conceptual control of visual attention. The results of four experiments showed that grounding spatial language in the motor system can enhance the focus of visual attention by disambiguating the endpoints of the horizontal axis. In so doing, the present study extends previous research demonstrating that spatial concepts can influence the spatial distribution of attention by demonstrating that different modes of orienting can also influence the semantics of space. Implications for the premotor theory of attention and grounded theories of cognition are also discussed. 相似文献
932.
Jim Penny 《European Journal of Work and Organizational Psychology》2013,22(3):245-271
This research used logistic regression to model item responses from a popular 360-degree-for-development survey used in a leadership development programme given to middle and upper level European managers in Brussels. The survey contained 106 items on 16 scales. The model used gender of ratee and rater group to identify items that exhibited differential item functioning (DIF). The rater groups were self, boss, peer, and direct report. The sample consisted of 356 survey families where a survey family consisted of a matched set of four surveys: one self, one boss, one peer, and one direct report. The sample contained 88% male and 12% female raters. The sample contained 1424 total surveys. The procedure for flagging items exhibiting differential functioning used effect size computed from Wald chi-square statistics rather than statistical significance, resulting in fewer flagged items. One item exhibited rating anomalies due to the gender of the ratee; 55 items exhibited DIF attributable to rater group. The apparent effect of the DIF was small with each item. An examination of the maximum likelihood parameter estimates suggested the rater group DIF was the result of either hierarchical complexity or organizational contingency. The DIF due to gender conformed to prior expectations of gender-related stereotypical interpretations. This research further suggested that DIF due to environmental complexity or organizational contingency could be a naturally occurring phenomenon in some 360-degree assessment, and that the interpretation of some 360-degree feedback could need to include the potential for such DIF to exist. 相似文献
933.
Kai A.D. Morgan Joni-Kay Scott Monika Parshad-Asnani Roger C. Gibson Keisha N. O'Garo Gillian A. Lowe 《Mental health, religion & culture》2013,16(9):937-945
The purpose of this study was to investigate the relationship between disease severity (sickle-cell type and hospital, emergency room and clinic emergency visits (CEU)), religious coping (positive and negative) and depression. This was accomplished through secondary analysis of a data set based on a Comprehensive Sickle Cell Standardized Questionnaire compiled by a multidisciplinary team of professionals from Duke University Medical Centre, and administered to persons with sickle-cell disease being treated at the Sickle Cell Unit on the University of the West Indies Campus between November 2008 and January 2009. Disease severity was not a good predictor of depression within the population. On the other hand, depression was found to correlate with positive and negative religious coping, such that increases in the former were associated with decreases in depression scores; while the reverse was noted for the latter (negative religious coping). The results shed light on issues that could possibly impact the treatment plan for such individuals. 相似文献
934.
We examined inferential reasoning by exclusion in the Clark’s nutcracker (Nucifraga columbiana) using two-way object-choice procedures. While other social scatter-hoarding corvids appear capable of engaging in inferential reasoning, it remains unclear if the relatively less social nutcracker is able to do so. In an initial experiment, food was hidden in one of two opaque containers. All of the birds immediately selected the baited container when shown only the empty container during testing. We subsequently examined the nutcrackers in two follow-up experiments using a task that may have been less likely to be solved by associative processes. The birds were trained that two distinctive objects were always found hidden in opaque containers that were always positioned at the same two locations. During testing, one of the two objects was found in a transparent “trash bin” and was unavailable. The birds were required to infer that if one of the objects was in the “trash,” then the other object should still be available in its hidden location. Five out of six birds were unable to make this inference, suggesting that associative mechanisms likely accounted for our earlier results. However, one bird consistently chose the object that was not seen in the “trash,” demonstrating that nutcrackers may have the ability to use inferential reasoning by exclusion to solve inference tasks. The role of scatter hoarding and social organization is discussed as factors in the ability of corvid birds to reason. 相似文献
935.
936.
Bradley S. Gibson Dawn M. Gondoli Ann C. Johnson Christine M. Steeger Bradley A. Dobrzenski Rebecca A. Morrissey 《Child neuropsychology》2013,19(6):546-563
Adaptive training of working memory (WM) using the Cogmed-RM intervention has recently shown some efficacy as an alternative treatment for ADHD, but this intervention may not be optimally designed. A recent component analysis of WM has suggested that maintenance in primary memory (PM) appears to be largely intact whereas recall from secondary memory (SM) appears to be deficient in ADHD relative to age-matched controls. However, extrapolating from basic research, there is reason to believe that Cogmed-RM may target the PM component more than the SM component; though training with spatial exercises may target the SM component more than training with verbal exercises. To investigate, participants diagnosed with ADHD were randomly assigned to either a verbal training condition (n?=?24) or a spatial training condition (n?=?23) using a randomized, controlled design, and both groups were instructed to complete at least 20 days of training. The PM and SM components of WM were assessed immediately before and after training using both verbal and spatial free recall tasks. The main findings showed that both versions of the intervention enhanced the maintenance of information in PM regardless of test modality, but not the recall of information from SM. Therefore, the component of WM that is improved by Cogmed-RM is not the same component of WM that is deficient in ADHD. 相似文献
937.
Michelle Gomel Brian Oldenburg Jim Lemon Neville Owen Fred Westbrook 《Psychology & health》2013,28(4):223-229
Abstract Worksite smoking bans provide an ideal opportunity to examine the effects of enforced smoking restrictions on not only smoking behaviour, but also other health behaviours. This pilot study examines the short term effects of a such a ban on self-reported smoking behaviour, carbon monoxide and plasma cotinine levels and a number of other appetitive behaviours. The total number of cigarettes smoked on a working day and the number smoked just during working hours both declined following the introduction of a ban. Although the carbon monoxide levels of smokers during working hours demonstrated a similar trend to self-reported smoking, smokers' cotinine levels tended to increase, following an initial decrease following the ban. These data are suggestive of a compensatory process and a change in smoking topography, probably outside working hours. Measures of stress and craving also appeared to be affected by the introduction of smoking restrictions. 相似文献
938.
939.
940.
Jim Slagle 《Philosophia》2015,43(4):1133-1145
For over 20 years, Alvin Plantinga has been advocating his Evolutionary Argument against Naturalism, or EAAN. We will argue that this argument functions as an atypical form of global skepticism, and Plantinga’s development of it has repercussions for other types of skepticism. First, we will go over the similarities and differences; for example, the standard ways of avoiding other forms of skepticism, namely by adopting some form of naturalized or externalist epistemology, do not work with the EAAN. Plantinga himself is a naturalized epistemologist, and his skepticism comes from within this perspective. Next, we will look at how Plantinga moved from presenting his skepticism diachronically, as a loop, to presenting it synchronically, as an infinite regress. Finally, we can extend this move from Plantinga’s skepticism to other forms of global skepticism, in so far as these will involve the rejection of our cognitive faculties’ reliability, and formulate them synchronically as well. Global skepticism is often accused of instability, since it leads us to skepticism about all of our beliefs, including belief in the skeptical scenario itself. Yet formulating it as an infinite regress rather than a loop allows the skeptical charge to go forward. 相似文献