In his 1995 book, Emotional Intelligence, the psychologist Daniel Goleman outlined a theory based on an idea that scientists had been kicking around since the 1960s. Goleman believed that a person’s ability to recognize, regulate, conjure, and project emotions is a distinct form of brainpower—one that can’t be revealed by a standard IQ test. People who have high emotional fluency understand how to use “emotional information” to change their thinking and behavior, which can help them perform better in settings where they have to interact with others. Goleman also believed that emotional
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