Since antiquity, humans have sought to identify a framework for understanding the whole person. A unifying taxonomy encompassing personality, emotions and behavior would be more parsimonious than three separate taxonomies. It was hypothesized that the lexical approach could be utilized to identify an overarching taxonomy of personality, emotion and behavior. Lexical analysis is typically performed in two phases. Firstly, the words relevant to a topic are catalogued. Secondly, the catalogue is analyzed to identify the parsimoniously taxonomy that reduces complexity, simplifies categorization and enhances communication.
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https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0227877