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One variable is said to “stochastically dominate” another if the probability of observations smaller than x is greater for one variable than the other, for all x. Inferring stochastic dominance from data samples is important for many applications of econometrics and experimental psychology, but little is known about the performance of existing inferential methods. Through simulation, we show that three of the most widely used inferential methods are inadequate for use in small samples of the size commonly encountered in many applications (up to 400 observations from each distribution). We develop two new inferential methods that perform very well in a limited, but practically important, case where the two variables are guaranteed not to be equal in distribution. We also show that extensions of these new methods, and an improved version of an existing method, perform quite well in the original, unlimited case. 相似文献
254.
Scott Tanona 《Philosophical Studies》2010,148(1):79-87
In recent years, it has become common to defend science against charges of bias against the supernatural by explaining that
science must remain methodologically natural but does not assume metaphysical naturalism. While such a response is correct,
some details about the distinction between methodological naturalism and ontological or metaphysical naturalism have been
lacking, as has a clear understanding of the distinction between the methodological restriction of science to natural explanations
and naturalistic claims about the scope of those methods. We still require an account of the natural that explains well why science is restricted to giving naturalistic methods, and why the pursuit of natural explanations
is not tantamount to the assumption that only natural causes exist. I suggest that the distinguishing characteristics of the
natural are not metaphysical at all but broadly epistemological, concerning goals of intersubjectivity and predictability. I argue
that by focusing on naturalistic goals we can better explain why the pursuit of natural explanations need not presume any
purely natural metaphysics. But I also suggest that the adoption of natural methods is not entirely metaphysically neutral,
as it is associated with values that may be more closely associated with some metaphysical views than others. 相似文献
255.
Anne‐Sophie Deprez‐Sims Scott B. Morris 《International Journal of Selection & Assessment》2013,21(4):355-367
As the workplace becomes increasingly global, organizations are more likely to employ individuals with non‐native accents. The present study looked at the influence of accents on the evaluation of job applicants during an interview. In addition, a path model was developed to understand the accent condition–hiring recommendation relationship. Participants were asked to evaluate an applicant with one of three accents (Midwestern US, French, Mexican) at two understandability levels (low and high) by listening to an audiofile. The results showed that the applicant with the Midwestern US accent was seen as more hirable than the applicant with the French low understandability accent. The path model indicated that the accent condition–hiring recommendation relationship was mediated by similarity, interpersonal attraction, and understandability. 相似文献
256.
Creative thinking is one of several remarkable capabilities evolved to advanced levels in the human species. Recently a model of the Darwinian evolution of creative thinking has been proposed. The principal tenets of the model are summarized in the present paper. Creative thinking is modeled as a relinkage of connections among mental representations, or among the components of these representations, accompanied at times by the appearance of new components that subsequently participate in the relinking process. Relinking occurs in relationship to a system of causative and motivational connections between the individual, the innate regularities of their cognitive development, and group behavior. This system of connections is termed the gene‐culture heterarchy. Approaches to creative thinking via the gene‐culture heterarchy allow predictions to be made about the mechanism of relinking and how it is affected by genetic and cultural factors. The predictions are based on the methods of sociobiology and evolutionary theory. The implications of this approach to creativity research are briefly reviewed. 相似文献
257.
Over the course of the last half century, numerous training programs intended to develop creativity capacities have been proposed. In this study, a quantitative meta‐analysis of program evaluation efforts was conducted. Based on 70 prior studies, it was found that well‐designed creativity training programs typically induce gains in performance with these effects generalizing across criteria, settings, and target populations. Moreover, these effects held when internal validity considerations were taken into account. An examination of the factors contributing to the relative effectiveness of these training programs indicated that more successful programs were likely to focus on development of cognitive skills and the heuristics involved in skill application, using realistic exercises appropriate to the domain at hand. The implications of these observations for the development of creativity through educational and training interventions are discussed along with directions for future research. 相似文献
258.
J. A. Scott Kelso 《Ecological Psychology》2013,25(2):180-208
Several conjectures by A. S. Iberall on life and mind are used as a backdrop to sketch a theory of mental activity that respects both the contents of thought and the dynamics of thinking. The dynamics, in this case, refers fundamentally to animated, meaningfully coupled self-organizing processes (coordination dynamics) and exhibit multistability, switching, and, because of symmetry breaking, metastability. The interplay of 2 simultaneously acting forces underlies the metastable mind: the tendency for the coordinating elements to couple together (integration) and the tendency for the elements to express their individual autonomy (segregation). Metrics for metastability are introduced that enable these cooperative and competitive tendencies to be quantified. Whereas bistability is the basis for polarized, either/or thinking, the metastable régime—which contains neither stable nor unstable states, no states at all, in fact—gives rise to a far more fluid, complementary mode of operation in which it is possible for apparent contraries to coexist in the mind at the same time. 相似文献
259.
Steven J. Danish Susanna S. Owens Scott L. Green John P Brunelle 《Journal of Applied Sport Psychology》2013,25(1):154-167
Abstract A general dircwion for understanding the process and impact of disengagement and uansition on individual athletes and teams is presented. Disengagement is presented as a process within athlete and team development. The disengagement of athletes from a team and the impact on the team ue examined. Two models of change are described as is a model of group development. Examples of a team in transition are provided and suggestions for sports psychologists' work with athletes and teams in transition an offered. The focus of these suggestions is on work with teams. 相似文献
260.
There is a developing discussion within the literature regarding religiosity and negative attitudes toward same-gender sexuality. A fair amount of empirical evidence now exists linking increased conservative religiosity with negative attitudes toward gay men and lesbians. However, past research has failed to account for the participants' religious group's position on same-sex issues. Results from the project presented here indicated that those who had high scores of intrinsic religiosity and reported attending a religious group that taught “love the sinner, hate the sin” responded with relatively more positive attitudes toward gay men and lesbians. These findings are discussed in relation to the emerging evidence that some intrinsic religious individuals apparently are able to make the distinction between “sin and sinner.” 相似文献