The objective of this study was to determine the variables that predicted serve efficacy in elite men's volleyball, in sets with different quality of opposition. 3292 serve actions were analysed, of which 2254 were carried out in high quality of opposition sets and 1038 actions were in low quality of opposition sets, corresponding to a total of 24 matches played during the Men's European Volley...

Are Muslim immigrants subjected to targeted opposition (i.e., Islamophobia) on their pathway to US citizenship? Using a list experiment and a representative sample of the US population, we compare explicit and implicit opposition to Muslim and Christian immigrants. We find that Muslim immigrants, relative to Christian immigrants, experience greater explicit resistance. However, when social desi...

Existing studies of judicial decisionmaking have found that elected judges are more likely to dissent and to oppose judges from the same party. These findings are explained by elected judges having stronger preferences for risk or being more independent. In this paper, I offer an alternative explanation: judges’ efforts to be retained should yield different patterns of opposition among judges f...

This paper proposes the integration of the generalized opposition based learning into compact Differential Evolution frameworks and tests its impact on the algorithmic performance. Opposition-based learning is a technique which has been applied, in several circumstances, to enhance the performance of Differential Evolution. It consists of the generation of additional points by means of a hyper-...