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41.
42.
Helena Likwornik 《Canadian journal of philosophy》2015,45(3):382-403
The role of values in the scientific process is widely debated. But evidence and values cannot be neatly separated. Instead, values infuse the entire scientific process, starting with the choice of research questions. Research avenues are selected based on prior beliefs about the workings of the world. In fact, informally assigned prior probabilities and normalizing constants play an essential role in distinguishing causes from correlations and ignoring irrelevant associations that would otherwise be suggested by raw data. But since these initial probabilities often have a heterogeneous pedigree – often not all that went into their formation is known or knowable – it becomes difficult to cleanly separate evidence from values. At the same time, this reality does not undermine science’s unique status in generating knowledge. This is because it is not the evidence per se generated by science, but rather the method by which science generates it, that justifies science’s privileged role. 相似文献
43.
When Practice Does Not Make Perfect: Effects of Strategic Cognitive Processes on Errors During Skill Development 下载免费PDF全文
This study looked at the contribution of strategic cognitive processes such as frequency gambling and speed and accuracy trade‐off in the production of errors during skill development. We developed a novel psychomotor task and trained participants on the task. We predicted that practice would change the nature of errors and be driven by strategic processes, rather than just change the overall number of errors. The first experiment investigated the effects of frequency gambling on errors during skill development by manipulating stimulus probability. The second experiment tested the separate effects of speed versus accuracy instructions to clarify the strategic contribution of response‐criterion setting. The results of these two studies refute the widespread assumption that skill development invariably reduces errors. Rather, errors can be a strategic feature of skill acquisition (e.g. gambling on low probability events), which, although results in speedy performance, would be a dangerous practice in many real‐life contexts. Copyright © 2015 John Wiley & Sons, Ltd. 相似文献
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Expression of conditional fear without awareness has been previously demonstrated during delay conditioning, a procedure in
which the conditioned stimulus (CS) and unconditioned stimulus (UCS) overlap. However, less is known about the role of awareness
in trace fear conditioning, where an interval of time separates the CS and UCS. The present study assessed skin conductance
response (SCR) and UCS expectancy during delay and trace conditioning. UCS predictability was varied on a trial-bytrial basis
by presenting perithreshold auditory CSs. Differential UCS expectancies were demonstrated only on perceived delay and trace
trials. Learning-related SCRs were observed during both perceived and unperceived delay CSs. In contrast, differential SCRs
were demonstrated only for perceived trace CSs. These data suggest that awareness is necessary for conditional responding
during trace, but not delay, fear conditioning. 相似文献
46.
Helena Cassol Charlotte Martial Jitka Annen Géraldine Martens Vanessa Charland-Verville Steve Majerus 《Memory (Hove, England)》2013,21(8):1122-1129
ABSTRACTNear-death experiences (NDEs) are usually associated with positive affect, however, a small proportion are considered distressing. We aimed to look into the proportion of distressing NDEs in a sample of NDE narratives, categorise distressing narratives according to Greyson and Bush’s classification (inverse, void or hellish), and compare distressing and “classical” NDEs. Participants wrote down their experience, completed the Memory Characteristics Questionnaire (assessing the phenomenology of memories) and the Greyson scale (characterising content of NDEs). The proportion of suicidal attempts, content and intensity of distressing and classical NDEs were compared using frequentist and Bayesian statistics. Distressing NDEs represent 14% of our sample (n?=?123). We identified 8 inverse, 8 hellish and 1 void accounts. The proportion of suicide survivors is higher in distressing NDEs as compared to classical ones. Finally, memories of distressing NDEs appear as phenomenologically detailed as classical ones. Distressing NDEs deserve careful consideration to ensure their integration into experiencers’ identity. 相似文献
47.
Melinda A. Green Tara K. Ohrt Christine Nguyen Katherine Blasko Sanjeev Khatiwada Amanda Martin 《Basic and applied social psychology》2013,35(3):259-271
The purpose of the present study was to examine heart rate (HR) and affective reactions to state self-objectification as a function of gender. We examined negative affect, positive affect, guilt, and HR at 6-second and 5-minute intervals across baseline, control, high objectification, low objectification, and cologne conditions in men (n = 53) and women (n = 57). Mixed factorial MANOVA results indicated a statistically significant Gender × Condition interaction. Both men and women showed a cardiac orienting response to high versus low objectification. Cardiac stress reactions to objectification were higher among women. Negative affective reactions to objectification were more pervasive across conditions among women. 相似文献
48.
Helena Knyazeva 《World Futures: Journal of General Evolution》2013,69(2):163-181
In order to develop further the methods of scenario building and to facilitate the paths towards a desirable and sustainable future, we cannot do without a nonlinear evolutionary thinking. The theory of self‐organization of complex systems, called also synergetics, is a scientific basis for such a thinking, the main principles of which are under consideration in the paper. Synergetics provides us with the knowledge of constructive principles of coevolution of complex social systems, coevolution of countries and geopolitical regions being at different stages of development, integration of the East and the West, the North and the South. 相似文献
49.
Helena Mattsson 《International Forum of Psychoanalysis》2013,22(1-2):43-50
The paper deals with notions of complexity in art and architecture. On the basis of a recent sculp\tural work by Richard Serra, Torqued Ellipses (1997), the notion of complexity is investigated in terms of how it situates the viewer, and affects our sense of space and time. Serra's work is analyzed in terms of the artist's working method, the production of the work, and finally the ''external relations'' which connect it to the viewer and the context. In each of these steps, the notions of complexity and unpredictability are shown to have a formative role. This gives his work a relevance for several fields using working processes as methods. The relations between space and time, object and context, are redefined in Serra's work, which also gives it a more specific importance for architectural theory and practice. 相似文献
50.
In this article, we describe a systematic review of mean race and sex differences in situational judgment test (SJT) performance. On average, White test takers perform better on SJTs than Black, Hispanic, and Asian test takers. Female examinees perform slightly better than male test takers on SJTs. We investigate two moderators of these differences: loading of g or personality on the SJT, and response instructions. Mean race differences between Black, Hispanic, Asian and White examinees in SJT performance are largely explained by the cognitive loading of the SJT such that the larger the cognitive load, the larger the mean race differences. Regarding the effect of personality loadings of SJTs on race differences, Black–White and Asian–White differences are smaller to the extent that the SJT is correlated with emotional stability and Hispanic–White differences are smaller to the extent that SJTs are correlated with conscientiousness and agreeableness. Cognitive loading has minimal effect on male–female SJT score differences; however, SJT score differences are larger, favoring women, when SJTs are correlated with conscientiousness and agreeableness. Concerning response instructions, knowledge response instructions showed greater race differences than behavioral tendency instructions. The mean correlations show that these differences are largely because of the greater g loading of knowledge instructions. A second study showed that when used in hiring, SJTs are likely to have adverse impact by race but not by sex. 相似文献