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51.
Gerhard Meyer Marc von Meduna Tim Brosowski Tobias Hayer 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》2013,29(3):535-550
Due to intensive marketing and the rapid growth of online gambling, poker currently enjoys great popularity among large sections of the population. Although poker is legally a game of chance in most countries, some (particularly operators of private poker web sites) argue that it should be regarded as a game of skill or sport because the outcome of the game primarily depends on individual aptitude and skill. The available findings indicate that skill plays a meaningful role; however, serious methodological weaknesses and the absence of reliable information regarding the relative importance of chance and skill considerably limit the validity of extant research. Adopting a quasi-experimental approach, the present study examined the extent to which the influence of poker playing skill was more important than card distribution. Three average players and three experts sat down at a six-player table and played 60 computer-based hands of the poker variant “Texas Hold’em” for money. In each hand, one of the average players and one expert received (a) better-than-average cards (winner’s box), (b) average cards (neutral box) and (c) worse-than-average cards (loser’s box). The standardized manipulation of the card distribution controlled the factor of chance to determine differences in performance between the average and expert groups. Overall, 150 individuals participated in a “fixed-limit” game variant, and 150 individuals participated in a “no-limit” game variant. ANOVA results showed that experts did not outperform average players in terms of final cash balance. Rather, card distribution was the decisive factor for successful poker playing. However, expert players were better able to minimize losses when confronted with disadvantageous conditions (i.e., worse-than-average cards). No significant differences were observed between the game variants. Furthermore, supplementary analyses confirm differential game-related actions dependent on the card distribution, player status, and game variant. In conclusion, the study findings indicate that poker should be regarded as a game of chance, at least under certain basic conditions, and suggest new directions for further research. 相似文献
52.
53.
Oliveira Flávio G. Tapisso Joaquim T. von Merten Sophie Rychlik Leszek Fonseca Paulo J. Mathias Maria da Luz 《Urban Ecosystems》2021,24(5):851-862
Urban Ecosystems - The development of urban areas imposes challenges that wildlife must adapt to in order to persist in these new habitats. One of the greatest changes brought by urbanization has... 相似文献
54.
This paper examines taxonomies for classifying risks and conflicts about risky technologies. First, we describe six levels of conflict that represent various " shades of gray" between purely factual and purely value laden conflicts in technology disputes. Subsequently, we survey several recent taxonomies of risks and hazards that were at least partly intended to clarify the nature of the public conflicts about technologies and their risks. After pointing out that non-risk features frequently shape technology debates, we develop a taxonomy of the disputes themselves, based on a collection of 162 cases. Our taxonomy of technological controversies is related to the recent risk taxonomies and to the different levels of conflict. It turns out that the different technological disputes create quite different levels of conflict ranging from mainly factual (consumer products, drugs) to extremely value laden (nuclear power, genetic engineering). Depending on the type of controversy and level of conflict we suggest alternative conflict management strategies. 相似文献
55.
Gudrun Fleischer Eckblad Anna Louise von der Lippe 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》1994,10(4):305-322
The study investigated 261 lottery winners of prizes of NKR 1 million (US $150,000) or more in the years 1987–91 in a postal survey. The modal Norwegian winners were middle-aged married men of modest education, living in small communities. Emotional reactions to winning were few, aside from moderate happiness and relief. Winners emphasized caution, emotional control and unconspicuous spending, e.g. paying debts and sharing with children. There was only a slight increase in economic spending. A wish for anonymity was frequent, together with fear of envy from others. Betting was modest both before and after winning. Experiences with winning were predominantly positive. Life quality was stable or had improved. An age trend was observed, accounting for more variance than any other variable. The older winners seemed to represent a puritan subculture of caution, modesty and emotional restraint. A slightly more impatient pattern of spending was characteristic of younger winners. The results support Kaplan's 1987 and others' findings that lottery winners are not gamblers, but self-controlled realists and that tenacious, negative cultural expectations to the contrary are myths, but perhaps also deterrents of uncontrolled behavior. 相似文献
56.
Trutz von Trotha 《Soziologie》2007,36(4):417-419
Ohne Zusammenfassung 相似文献
57.
Dipl.-Psych. Theresa Schomaker Dipl.-Psych. Charlotte von Bernstorff Prof. Dr. Jens Nachtwei 《Organisationsberatung, Supervision, Coaching》2013,20(3):319-332
CHANGE OR DIE. The competitiveness of business companies continuously demands innovative ideas and the willingness to implement these from executive managers. Thereby their own personal needs are often neglected. The consequences range from stress and overload up to burnout symptoms. To support an appropriate handling of the imposed work load by managers, a scientifically grounded stress-tolerance-training will be designed and evaluated. For the first time, certain outdoor exercises will be used specifically among conventional elements as active experiences of challenges outside the office can deeply strengthen the constructive handling of stressful situations. 相似文献
58.
Barry Charles Ezell Steven P. Bennett Detlof Von Winterfeldt John Sokolowski Andrew J. Collins 《Risk analysis》2010,30(4):575-589
Since the terrorist attacks of September 11, 2001, and the subsequent establishment of the U.S. Department of Homeland Security (DHS), considerable efforts have been made to estimate the risks of terrorism and the cost effectiveness of security policies to reduce these risks. DHS, industry, and the academic risk analysis communities have all invested heavily in the development of tools and approaches that can assist decisionmakers in effectively allocating limited resources across the vast array of potential investments that could mitigate risks from terrorism and other threats to the homeland. Decisionmakers demand models, analyses, and decision support that are useful for this task and based on the state of the art. Since terrorism risk analysis is new, no single method is likely to meet this challenge. In this article we explore a number of existing and potential approaches for terrorism risk analysis, focusing particularly on recent discussions regarding the applicability of probabilistic and decision analytic approaches to bioterrorism risks and the Bioterrorism Risk Assessment methodology used by the DHS and criticized by the National Academies and others. 相似文献
59.
Prof. Dr. Bernd Helmig Dipl.-Kffr. Vera Hinz Prof. Dr. Silke Michalski Dr. Kirstin von Trotha 《Zeitschrift für Betriebswirtschaft》2010,80(3):263-284
In 2004 a new working time law for physicians in hospitals was introduced, which has up until now been rarely researched in theory and is implemented in practice partially in form of new working time models, partially by relying on allowed variation rules within the law. Meanwhile, there are new discussions about changes of working time directives on the European level. This article aims to analyze the desired effects of the new working time law to decrease the workload, improve the possibilities of patient care and increase the working time satisfaction of physicians. To this end, a primary data collection is conducted in 15 hospitals and 35 hospital departments, generating 261 questionnaires, in order to empirically assess the theoretical model with the constructs working time model, workload, working time satisfaction, and possibilities of patient care using regression analyses. It can be shown that the new working time models decrease workload and enhance working time satisfaction of hospital physicians, but have no significant influence on the possibilities of patient care. These results are consistent for different ownerships and sizes of hospitals as well as for most services. No significant differences in the answers between various physician groups exist either. 相似文献
60.
Pamela Passano Michaela Kreyenfeld Kristin von Kistowski Patricia Lüder 《Soziologie》2005,34(3):374-376