Attempts To Increase Safety Can Have The Opposite Effect

According to the theory of risk compensation, people adjust their behavior in response to perceived levels of risk; they are careful when they sense heightened risk and less careful when they feel more protected. As a result, attempts to increase safety can have the opposite effect. For example, the much-cited paper “The Effects of Automobile…

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We Yawn Because We’re Stressed, Not Just Tired

We all know we yawn when we are sleepy or bored. But we also yawn because we’re stressed, not just when we are tired. Robert Provine, a neuroscientist and author of Curious Behavior: Yawning, Laughing, Hiccupping, and Beyond, believes yawning is a displacement activity. Displacement activities are unexpected and often unintended behaviors which happen when…

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