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, Social Work, Political Science, Economics and Psychology. Data and methods Participants and survey instrument The study population consists of full, associate and assistant professors working in departments
distribution is based on the manual classification of the sample of editorials. The sample results have been raised to population totals using the inverse of the sample fraction. This has been done to achieve easy comparability with the population-based results
population into k sets. This process gives partitions (clusters) which are reasonably efficient in the sense of within-class variance. 8 In this paper, we use this algorithm as it is implemented in SPSS 17.0 with the purpose of detecting groups (clusters
. Only a very small part of the entire publication population belongs to the very high-value JCS classes (i.e., JCS > 30), making the distribution for this high JCS part very noisy (see van Raan 2006a ). If we restrict the analysis to the
million Iraqis citizen could have received a $22,387 bribe for not attacking the US. Given their average annual income of $787 (estimate from 2008 2 ), they could have sent most of the population into pension (each for a duration of 28 years
