But just as the nature-nurture debate was replaced with interactionism—the insight that both factors contribute to who we are, and indeed influence each other—so has the person-situation debate been superseded by a more nuanced understanding. Personality psychologists acknowledge that we can feel sociable at 6:00 p.m. and solitary at 10:00 p.m., and that these fluctuations are real and situation-dependent. But they also emphasize how much evidence has emerged to support the premise that notwithstanding these variations, there truly is such a thing as a fixed personality.
