The first is regression analysis, which seeks to measure whether an outcome, such as wage differentials between blacks and whites, is correlated with race once all other relevant factors, such as education and experience, are taken into account.

ECONOMIST: Race, sex and the dismal science | The

At least 10 to 15 years' relevant professional experience at the senior management level within the United Nations system or with other international or national instituitions, a good knowledge of UNESCO's programmes and methods of work and extensive interaction with the United Nations System as a whole.

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The other aspect relevant to aviation is the increase in radiation that aircrew and passengers caught in a major solar storm would experience.

BBC: UK 'can cope with solar superstorm'