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Nicholas Donaldson

Publications and source records attributed to Nicholas Donaldson.

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With the Brexit referendum Britain has spoken or has it

The Brexit referendum on the United Kingdom membership of the European Union took place on 23 June 2016. On the basis of a 52-48 split, statements such as: the majority of the UK chose to leave the EU, or the British people have voted to leave the European Union, or the will of the British people is to leave the EU, have pervaded political discourse and newspaper articles. In a recent paper, the authors present scientific arguments to contend that all those statements are without basis. They point out the fundamental issues with the Brexit referendum, which lie in how the data was summarized, ignoring fundamental statistical principles, and in the lack of terms of reference fixing a threshold for the result and for the minimum turnout. If carefully planned, the actual division of the United Kingdom would have been properly captured and the result---either way, for Leave or Remain---would have been readily accepted. In the present paper, the authors summarize the discussion and add some context in non-technical terms.

physics.soc-ph

What did the 2016 Brexit referendum data really say?

The Brexit referendum took place in the UK in June, 2016. The unweighted percentage of leavers over the whole population was 51.9%. In this paper, first, we demonstrate that a 52%-48% split represents only a difference that is not sufficiently different from a 50-50 split to claim a majority for either side. Second, and most important, on this basis of the unweighted percentage, statement like: The country voted to leave the EU, were made. When a statement about a population is made based on a subset of it (the turnout rate for Brexit was only 72% and therefore 37% of the eligible population voted Leave), it comes with an element of uncertainty that should not be ignored. The unweighted average disregards, not only between-region heterogeneity but also within-region variability. Our analysis, controlling for both, finds that the split of the Brexit is of negligible material significance and do not indicate majority for either side.

stat.AP