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101.
Markus Reisenleitner 《Cultural Studies》2013,27(6):896-907
The article explores institutional settings for teaching and practicing cultural studies from the point of view of the author's personal experiences at universities in Austria, Canada and Hong Kong. 相似文献
102.
103.
Ann-Kristin Leuchs Markus Neuhäuser 《Journal of Statistical Computation and Simulation》2013,83(5):825-836
Protocol amendments are often necessary in clinical trials. They can change the entry criteria and, therefore, the population. Simply analysing the pooled data is not acceptable. Instead, each phase should be analysed separately and a combination test such as Fisher's test should be applied to the resulting p-values. In this situation, an asymmetric decision rule is not appropriate. Therefore, we propose a modification of Bauer and Köhne's test. We compare this new test with the tests of Liptak, Fisher, Bauer/Köhne and Edgington. In case of differences in variance only or only small differences in mean, Liptak's Z-score approach is the best, and the new test keeps up with the rest and is in most cases slightly superior. In other situations, the new test and the Z-score approach are not preferable. But no big differences in populations are usually to be expected due to amendments. Then, the new method is a recommendable alternative. 相似文献
104.
Insufficient attention has been paid to behavioural influences on the implementation of the ‘Workload Control’ (WLC) concept – a Production Planning and Control (PPC) approach for small and medium sized Make-To-Order companies – and there is an implicit assumption that managers are rationalistic in their decision-making. This paper analyses the effects of both managerial decision-making behaviour and the size of a company’s order book, affecting the number of decisions that have to be made, on two case study implementations of a WLC system. The Recognition-Primed Decision (RPD) model from the Naturalistic Decision-Making literature is used to unpack the first case where implementation failed. This highlighted a misalignment between how the company’s owner-manager initially made operational decisions and how a rationalistic WLC system functions. But the company is studied over six years, allowing us to show how the owner-manager was forced to transition from the RPD model to a more rationalistic approach to PPC as the size of the order book increased. A second case study is then briefly presented in which WLC system implementation was successful; the RPD model was not strongly evident and the size of the order book was greater to begin with. The paper helps to understand the decision-making behaviour of managers in small companies and how it may conflict or be misaligned with the rationalistic assumptions underpinning the WLC concept. This provides a possible explanation for why few successful implementations of the concept have been presented in literature. 相似文献
105.
106.
In this paper we examine stock price reactions to cross-border mergers and acquisitions in a particular industry, the automotive
supply industry. We show that cross-border transactions entail a pronounced value creation for the acquiring shareholders
and that this value creation also holds for transcontinental transactions, which to our knowledge have not been investigated
so far. Splitting the sample by different types of targets indicates that the value creation mainly stems from takeovers of
subsidiaries. By examining differences between national and international takeovers in cross-section, we sustain the recent
evidence of a negative cross-border effect (i.e., cross-border mergers and acquisitions entail lower announcement returns
than national ones).
相似文献
Dirk SchiereckEmail: Email: |
107.
Markus Neuhäuser 《统计学通讯:理论与方法》2013,42(1):67-78
It is shown that the nonparametric two-saniDle test recently proposed by Baumgartner, WeiB, Schindler (1998, Biometrics, 54, 1129-1135) does not control the type I error rate in case of small sample sizes. We investigate the exact permutation test based on their statistic and demonstrate that this test is almost not conservative. Comparing exact tests, the procedure based on the new statistic has a less conservative size and is, according to simulation results, more powerful than the often employed Wilcoxon test. Furthermore, the new test is also powerful with regard to less restrictive settings than the location-shift model. For example, the test can detect location-scale alternatives. Therefore, we use the test to create a powerful modification of the nonparametric location-scale test according to Lepage (1971, Biometrika, 58, 213-217). Selected critical values for the proposed tests are given. 相似文献
108.
Stefanie Behncke Markus Frölich Michael Lechner 《Journal of the Royal Statistical Society. Series A, (Statistics in Society)》2010,173(1):67-92
Summary. In many countries, caseworkers in public employment offices have dual roles of counselling and monitoring unemployed people. These roles often conflict, which results in important caseworker heterogeneity: some consider providing services to their clients and satisfying their demands as their primary task. However, others may pursue their own strategies, even against the will of the unemployed person. They may assign jobs and labour market programmes without the consent of the unemployed person. On the basis of a very detailed linked jobseeker–caseworker data set for Switzerland, we investigate the effects of caseworkers' co-operativeness on the probabilities of employment of their clients. Modified statistical matching methods reveal that caseworkers who place less emphasis on a co-operative and harmonic relationship with their clients increase their chances of employment in the short and medium term. 相似文献
109.
Social Indicators Research - 相似文献
110.
Individual Differences in Infant Skills as Predictors of Child-Caregiver Joint Attention and Language 总被引:1,自引:0,他引:1
Jessica Markus Peter Mundy Michael Morales Christine E. F. Delgado & Marygrace Yale 《Social Development》2000,9(3):302-315
Current research suggests that the extent to which child-caregiver dyads engage in interactions involving episodes of joint or coordinated attention can have a significant impact on early lexical acquisition. In this regard it has been recognized that individual differences in early developing child communication skills, such as capacity to follow gaze and early infant language, may contribute to these child-caregiver interactional patterns, as well as to subsequent language development. To address this expectation, 21 infant-parent dyads were recruited for participation in a longitudinal study. Early infant language, responding to joint attention skill, and cognitive development were assessed at 12 months of age. Child-caregiver joint attention episodes, as well as responding to joint attention skill and child language, were assessed at 18 months of age. Developmental outcome, using the MacArthur Communicative Development Inventories and the Bayley Scales of Infant Development-II, was assessed at 21 and 24 months of age. Consistent with previous findings, results indicated that individual differences in child-caregiver episodes of joint attention were related to language at 18 months. In addition, though, 12 month vocabulary and responding to joint attention skill were associated with some aspects of 18 month child-caregiver interaction, as well as subsequent language development. In general, 12 month child measures and 18 month child-caregiver interaction measures appeared to make unique contributions to language development in this sample. These results suggest the need to further consider the role of infant skills in the connections between child-caregiver joint attention episodes and language development. 相似文献