Omvärldsbevakning

Earthquakes, hurricanes and other natural disasters obey same mathematical pattern

Researchers from the Centre for Mathematical Research (CRM) and the Universitat Autònoma de Barcelona have mathematically described the frequency of several dangerous phenomena according to their size with more precision than ever. Using new statistical tools, researchers have rigorously demonstrated how the frequency of earthquakes, hurricanes, torrential rains and meteorite impacts can be described with

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Small class size vs. evidence-based interventions

The Ministry of Education in France introduced a policy in 2002 that reduced class size to no more than 12 pupils in areas determined to have social difficulties and high proportions of at-risk pupils, called Zones d’Education Prioritaire (ZEP). In order to evaluate the effectiveness and usefulness of this policy, researcher Jean Ecalle and colleagues

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