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41.
42.
Reducing uncertainty to promote appropriate decisions when facing hazardous phenomena at an active volcano
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Gaëtan Merlhiot Martial Mermillod Jean‐Luc Le Pennec Silvana Hidalgo Laurie Mondillon 《Journal of applied social psychology》2018,48(4):227-234
This study investigated a new direction for improving the decision making of populations at risk in the context of uncertain environmental events, such as volcanic hazards. According to the risk as feelings theory and dual process models, situations with certain outcomes do not necessarily require the use of affect heuristics (e.g., experienced feelings, anticipated emotions) as valid information in the decision‐making process. In the case of difficult decisions with moral dilemmas, certainty could even improve decisions. Thus, using an ecological design with various scenarios depicting upcoming volcanic hazards, we examined whether reducing the uncertainty of lethal threat by conveying certainty in an information campaign could influence decision making and promote a better quality of choice (correct application of the recommendations from the competent authorities). We focused specifically on two populations composed of local people living in the vicinity of an active volcano (Tungurahua volcano, Ecuador) and local scientists. We also examined whether a difficult decision involving a moral dilemma (e.g., leaving people behind so as not to jeopardize one's own life) potentiated this effect, compared to a less difficult situation without a dilemma. We demonstrated that, for local people facing a moral dilemma (difficult decision), the reduction of uncertainty of lethal threat involved a better application of the actual recommendations. These outcomes provided perspectives on improving the applications of the recommendations among local populations at risk in the context of a real risk exposure. 相似文献
43.
The “prawn-in-the-tube” procedure in the cuttlefish: Habituation or passive avoidance learning?
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Agin V Chichery R Dickel L Chichery MP 《Learning & memory (Cold Spring Harbor, N.Y.)》2006,13(1):97-101
This study examines whether or not habituation contributes to the regulation of the inhibition of predatory behavior observed during the "prawn-in-the-tube" training procedure. When presented with prawns that are visible behind glass but untouchable, cuttlefish promptly learn to inhibit their capture attempts. The first three experiments demonstrated that the acquired response in the course of training cannot be dishabituated. The fourth experiment demonstrated that the repeated application of a brief visual prawn stimulus, one that is terminated before the cuttlefish can strike, decreases attack latencies. Taken together, the results of this study establish that habituation does not play a significant role in this learning task. In fact, the present findings strengthen the results of previous studies suggesting that passive avoidance learning contributes to the regulation of the inhibition of predatory behavior. 相似文献
44.
Agin V Poirier R Chichery R Dickel L Chichery MP 《Neurobiology of learning and memory》2006,86(3):264-269
The inhibition of predatory behavior observed during the "prawn-in-the-tube" procedure has been extensively used in studies of cuttlefish learning. The present study examines the effect of age on the conditioning of this response in the cuttlefish, Sepia officinalis. Data show that a significant increase in acquisition performance occurs between 15 and 21 days of age. The retention curves in 8- and 15-day-old cuttlefish show a monotonic memory process, presumably reflecting the presence of only short-term memory. In 21-day-old cuttlefish, there are two distinct processes which could be a labile short-term memory, and a subsequent intermediate memory. These mnesic systems seem to become more effective over the course of post-embryonic development. Moreover, the retention curves obtained in the oldest cuttlefish (30- and 90-day-old) bear a close resemblance to that observed in adults. These behavioral findings will allow further work on the cellular and molecular mechanisms of learning and memory in the cuttlefish. 相似文献
45.
Range restriction in most data sets is indirect, but the meta-analysis methods used to date have applied the correction for direct range restriction to data in which range restriction is indirect. The authors show that this results in substantial undercorrections for the effects of range restriction, and they present meta-analysis methods for making accurate corrections when range restriction is indirect. Applying these methods to a well-known large-sample empirical database, the authors estimate that previous meta-analyses have underestimated the correlation between general mental ability and job performance by about 25%, indicating that this is potentially an important methodological issue in meta-analysis in general. 相似文献
46.
47.
Germano Vera Cruz Geneviève Vinsonneau Armelle Le Gall Sheila Rivière Etienne Mullet 《Journal of applied social psychology》2010,40(10):2488-2499
The present study compared sexual permissiveness between African adults and European adults. The 301 participants (154 males, 147 females) living in the area of Maputo, Mozambique, and the 309 participants (157 males, 152 females) living in the area of Toulouse, France, were presented with the Portuguese and French versions of 7 permissiveness items taken from the Sexual Attitudes Scale devised by Hendrick & Hendrick (1987 ). Permissiveness scores were shown to be lower among Mozambican participants than among French participants. A clear effect of religious involvement on permissiveness was also demonstrated, and this effect was of the same magnitude in both samples. 相似文献
48.
Johan Caudroit Yannick Stephan Britton W. Brewer Christine Le Scanff 《Journal of applied social psychology》2010,40(8):1999-2018
The present study aims to identify the processes underlying athletes' psychological disengagement during a competitive event. It was expected that goal attainment would predict psychological disengagement through the mediation of physical self‐worth. It was further hypothesized that athletic identity and passion for the activity would be predictors of psychological disengagement. Athletes completed measures of athletic identity, passion, and physical self‐worth before a competition; and perceived goal attainment, physical self‐worth, and psychological disengagement after a competition. Physical self‐worth mediated the relationship between perceived goal attainment and discounting. Obsessive passion and athletic identity were negatively related to devaluing over and above goal attainment and physical self‐worth. The study highlights individual and contextual correlates of psychological disengagement in the sport setting. 相似文献
49.
Graciela León Orozco 《Journal of Employment Counseling》2010,47(3):100-110
In January of 2007, freezing temperatures destroyed citrus and vegetable crops in California. By May 2007, more than 9,000 freeze‐related unemployment applications had been filed. Through face‐to‐face interviews, this study documents the experience of 63 farmworkers to find out how they survived the freeze and accessed services. Findings revealed that more than half of the interviewees did not seek benefits from the governmental One‐Stop centers set up to help them. Less than 10% of interviewees stated the benefits had covered their needs. Creating simple, nonbureaucratic guidelines for assisting affected individuals emerged as a need. 相似文献
50.
Abstract The icosahedral quasicrystals i-AIMn, isomorphically substituted by 28 at.% Fe or by a mixture of (CrFe) atoms, have been studied for the first time by in-field Mössbauer spectroscopy in order to determine the sign and asymmetry parameter of the dominant electric-field gradient (EFG) term. In addition, the orthorhombic o-Al(MnFe) and cubic α- and hexagonal β-Al(MnFe)Si crystalline phases have been studied. We show that the previous Mössbauer results are inadequate for determining whether there are two sites in the quasicrystalline structure in the ratio of the golden number. Our results for i-Al(MnFe) show that the dominant EFG is negative, with an asymmetry parameter of about 0·6. For i-Al(CrFe), essentially no deviations are found from the model of Czjzek or the Gaussian isotropic model. One crystalline phase, the hexagonal β phase, is found to have a very similar quadrupole effect to that found in i-Al(MnFe). In addition it is found that this phase undergoes a change which is at least partly of magnetic origin. 相似文献