The Research Effectivity of Slovak Universities: Quantitative Analysis of Trends 2008 -2017. The paper deals with the research effectivity of Slovak public universities during ten years period (2008 -2017). Through non-parametric analysis of trends and mixed-effects model with multivariate t-distribution, trends and differences are analysed in detail. The analytical calculations are focused on properly idetifying both monotonic trends and change points in the research effectivity. Differences

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... research effectivity are identified and discussed. The analysis shows that only eight out of 20 Slovak public universities display long-term research effectivity, and 12 out of 20 are ineffective in research in the long run, including 5 with extremely low and/or worsening research effectivity. Conversely, some universities display positive long-term trend. In conclusion, the paper also points out the difficulty of long-term achieving ongoing research effectivity due to the non-systematic and abrupt changes of funding principles from Slovak government.