discuss the reasons why systematic scientific studies are considered more valuable than individual accounts

In this assignment, begin by taking a retrospective look at your life history, to discuss which aspects of your personality have remained consistent and which aspects of your personality have changed over time. Then, analyze the roles of nature and nurture in shaping your personality. Subsequently, discuss possible sources of inaccuracy and bias in any retrospective analysis. Finally, discuss the reasons why systematic scientific studies are considered more valuable than individual accounts