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The word efficacy is normally associated with science – you design something to help people achieve a certain outcome. For instance, a scientific team might be tasked with designing a medicine to prevent headaches. Their first step is to conduct research into what will most likely stop headaches and then to build the medicine based on this research. Once the medicine is being used in trials, they then conduct thorough investigations to make sure that it is actually preventing people from having headaches.Ìý

In times of crisis, how can you best reassure your learners? Here are four helpful tips.