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Clinical Social Work Journal - Cults are religious organizations requiring total commitment and submission from their members. They form a highly controlling environment with rigid structures to... 相似文献
63.
Johannes T. N. Krebs 《Statistics》2013,47(6):1270-1308
We study non-parametric regression estimates for random fields. The data satisfies certain strong mixing conditions and is defined on the regular N-dimensional lattice structure. We show consistency and obtain rates of convergence. The rates are optimal modulo a logarithmic factor in some cases. As an application, we estimate the regression function with multidimensional wavelets which are not necessarily isotropic. We simulate random fields on planar graphs with the concept of concliques (cf. [Kaiser MS, Lahiri SN, Nordman DJ. Goodness of fit tests for a class of markov random field models. Ann Statist. 2012;40:104–130]) in numerical examples of the estimation procedure. 相似文献
64.
Prof. Dr. Johannes Weiß 《KZfSS K?lner Zeitschrift für Soziologie und Sozialpsychologie》2001,53(3):616-617
Ohne Zusammenfassung 相似文献
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Let \(G=(V,E)\) be a graph. A set \(S\subseteq V\) is a restrained dominating set if every vertex in \(V-S\) is adjacent to a vertex in \(S\) and to a vertex in \(V-S\). The restrained domination number of \(G\), denoted \(\gamma _{r}(G)\), is the smallest cardinality of a restrained dominating set of \(G\). The best possible upper bound \(q(n,k)\) is established in Joubert (Discrete Appl Math 161:829–837, 2013) on the size \(m(G)\) of a graph \(G\) with a given order \(n \ge 5\) and restrained domination number \(k \in \{3, \ldots , n-2\}\). We extend this result to include the cases \(k=1,2,n\), and characterize graphs \(G\) of order \(n \ge 1\) and restrained domination number \(k \in \{1,\dots , n-2,n\}\) for which \(m(G)=q(n,k)\). 相似文献
67.
Martin Fochmann Johannes Hewig Dirk Kiesewetter Katharina Schüßler 《Zeitschrift für Betriebswirtschaft》2017,87(6):779-808
We experimentally investigate the effect of taxation of gains and losses on investment behavior. Based on the insights of economic research and psychological concepts, we expect subjects to react to taxation with behavioral and affective changes. Our main results are threefold: first, we show that taxation on gains and the possibility to deduct losses bias investment behavior, but in different directions. Since net payoffs are identical across all tax scenarios and therefore the same investment behavior is to be expected, these differences are in contrast to what a standard theory would predict. Second, we observe that different tax regulations have different effects on the affective and cognitive perception of our subjects. Third, with respect to possible connections of the affective and cognitive ratings, tax regulations, and investment decisions, we are able to show that arousal and risk perception fail to influence the decision making of participants, while there is a highly significant influence of valence perception on choice patterns. 相似文献
68.
Johannes Hewig Ralf H. Trippe Holger Hecht Thomas Straube Wolfgang H. R. Miltner 《Journal of Nonverbal Behavior》2008,32(2):67-78
The goal of the present study was to provide first evidence for gender differences in gaze patterns while looking at the body
of men and women. For this purpose participants were exposed to 30 pictures of 15 male and 15 female models in casual clothing.
The individual scan paths were recorded using an eye-tracker. The results show that both male and female observers primarily
gaze at people’s face. Only after this initial face-scan, men look significantly earlier and longer at women’s breasts, while
women look earlier at men’s legs. These observations uncover important aspects of the pattern of the human gaze at others
and particularly reveal important gender differences. 相似文献
69.
Johannes H. Hattingh Osama A. Saleh Lucas C. van?der Merwe Terry J. Walters 《Journal of Combinatorial Optimization》2012,24(3):329-338
The induced path number ??(G) of a graph G is defined as the minimum number of subsets into which the vertex set of G can be partitioned so that each subset induces a graph. A Nordhaus-Gaddum-type result is a (tight) lower or upper bound on the sum (or product) of a parameter of a graph and its complement. If G is a subgraph of H, then the graph H?E(G) is the complement of G relative to H. In this paper, we consider Nordhaus-Gaddum-type results for the parameter ?? when the relative complement is taken with respect to the complete bipartite graph K n,n . 相似文献
70.
Johannes Abeler Steffen Altmann Sebastian Kube Matthias Wibral 《Journal of the European Economic Association》2010,8(6):1299-1324
We study how different payment modes influence the effectiveness of gift exchange as a contract enforcement device. In particular, we analyze how horizontal fairness concerns affect performance and efficiency in an environment characterized by contractual incompleteness. In our experiment, one principal is matched with two agents. The principal pays equal wages in one treatment and can set individual wages in the other. We find that the use of equal wages elicits substantially lower efforts. This is not caused by monetary incentives per se because under both wage schemes it is profit‐maximizing for agents to exert high efforts. The treatment difference instead seems to be driven by the fact that the norm of equity is violated far more frequently in the equal wage treatment. After having suffered from violations of the equity principle, agents withdraw effort. These findings hold even after controlling for the role of intentions, as we show in a third treatment. Our results suggest that adherence to the norm of equity is a necessary prerequisite for successful establishment of gift‐exchange relations. (JEL: J33, D63, M52, C92, J41) 相似文献