Wouldn't it be nice if we could determine a person's personality based on the order they were born in? Many popular books associate certain characteristics of people based on their birth order however, further research shows that this claim is not valid. Such books often categorize firstborns as being high achievers, middle children as being the peace makers, and the youngest as risk takers. Upon further examination however, these claims fall victim to the scientific principle of replicatability; it is extremely difficult to find examples of this being true in every family. For example in my own family, my middle sister is more of an achiever while my youngest brother acts as a peace keeper. This suggests that this idea does not hold true in every situation. Also correlation versus causation could also play a role as being the oldest and desiring to set a good example could result in the eldest child being an achiever not just the fact that they were born first. The theory of birth order is most likely popular because it provides an easy explanation as to why certain people exhibit the personalities that they do and helps people to make sense of each other's actions. ns. Check out this article to find out more.
Birth Order: Does It Really Matter?
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