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In this interview, personality psychologist Will Fleeson discusses his extensive career and his motivation to use scientific research as a tool for long-term social improvement. He explains his development of Whole Trait Theory, which reconciles the historical debate over whether personality is defined by internal structures or observable actions. This framework suggests that traits are inherently dynamic, as individuals constantly adjust their behaviors to align with specifi

We welcomed Emeritus Professor David Watson as he spoke with ISSID President, Prof Chris Jackson about his impressive 40+ year career in personality science. You can watch the full interview here: https://youtu.be/s1NFbqzE7QM The Great Personality Debate In the mid-1970s, the field of personality psychology was facing a profound existential crisis. To many academics of the era, the concept of stable personality traits was considered "dead," "outmoded," or "invalidated." The

Most of us didn't walk into our first Psychology 101 lecture because we were dying to calculate a Pearson’s correlation coefficient. We entered the field, or picked up a book on the subject, because of a raw, human ache for answers. You can watch the interview with Markus Quirin and ISSID President Chris Jackson on YouTube here: https://youtu.be/YOkkc7b9Csc Why did my partner leave me? Why am I paralysed by this project when I know it’s what I want? Why does my mood crash for