These writers seem to miss the notion that the creativity of quiet people is needed in places it is usually not present. The writers miss the notion that societal change cannot happen with a social underlying of extroversion and on-the-spot thinking. In the concept of leadership, quiet people can be seen as the necessary team players that can bring the commotion down when extroverts get too extreme. More importantly, introversion can encourage servant leadership and includes everyone in the conversation, so that there is growth in aspects of life in which collective leadership is necessary. Cain strengthens her arguments with descriptions and experiments that prove the power of introverts, or the necessity of solitude. Many of these descriptions offer scientific and more so psychological evidence of this fact. For example, Cain mentions a scenario in which young babies were exposed to stimulation and had either minimal or a hyper reaction. After these babies grew up it was tested whether they were more introverted or extroverted. As it turns out the babies that were hyper-reactive grew up to be introverts and those who has minimal response grew up to be extroverts. This experiment gives evidence to the notion that people shape