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Description: This study will investigate cohort shifts of personality traits and cognitive ability. Although data were collected cross-sectionally, we will examine yearly trends of age, gender, education, and geographic origin from 2006 to 2018. While we posit that results are natural temporal changes, there is a possibility that shifts are due to sampling methods. Over the 13 year lifespan of the Synthetic Aperture Personality Assessment Project (SAPA-Project), our lab has successfully collected data from over 1,000,000 participants utilizing a web based survey. Understanding the differences in our data is crucial and will inform ongoing and future research how to best proceed when collecting large volumes of cross-sectional data.


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