认知越低的人，嗓门越大

Core Viewpoint - The article emphasizes that true understanding and knowledge are often reflected in quiet confidence rather than loud assertions, suggesting that those who speak the loudest may be compensating for a lack of depth in their understanding [4][20][28]. Group 1: Communication and Understanding - The article discusses the phenomenon of "cognitive closure need," where individuals resort to louder speech when faced with uncertainty or challenges to their beliefs, indicating a lack of confidence in their knowledge [6][20]. - It highlights that truly knowledgeable individuals can convey their points succinctly and effectively without raising their voices, contrasting them with those who lack understanding and thus resort to loudness to assert their presence [8][14]. - The narrative includes examples from various contexts, such as debates and workplace dynamics, illustrating how louder voices often overshadow more reasoned arguments, yet the latter tend to be more impactful in the long run [10][13][16]. Group 2: Effective Communication Strategies - The article references Amazon's unique meeting structure, where participants read materials in silence before discussing, leading to more efficient and productive conversations [23]. - It mentions the transformation of Steve Ballmer, former Microsoft CEO, who learned to moderate his volume and approach after realizing that loudness was a mask for his unfamiliarity with the business [26]. - The piece concludes with the idea that lowering one's voice can enhance credibility and trustworthiness, suggesting that effective communication is more about clarity and understanding than volume [24][27].