The idea that sibling birth order affects personality has been around since the early 1900s, and became entrenched after Dr. Frank Sulloway published his book
in 1996. Born to Rebel
A new study
has debunked this theory. The study, published in the Proceedings of the National Academy of Sciences, has found “no birth-order effects on extraversion, emotional stability, agreeableness, conscientiousness, or imagination”. The study has, however, confirmed that first-born siblings have a higher IQ across a wide study sample, but the effect is slight and not universal.
This leads the study authors to conclude that:
On the basis of the high statistical power and the consistent results across samples and analytical designs, we must conclude that birth order does not have a lasting effect on broad personality traits outside of the intellectual domain.
Source: ABC Science.
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About the Author
Bruce Boyes is Editor and Lead Writer of RealKM Magazine, and a teacher at Shanxi University where he is establishing a new knowledge management course. He is an experienced knowledge manager, environmental manager, and educator with expertise in information and knowledge management, program and project management, environmental management and sustainability, community and stakeholder engagement and development, research, writing and editing, education and training, website management, and event and meeting management. Bruce holds a Master of Environmental Management with Distinction and a Certificate of Technology (Electronics).
With a demonstrated ability to collaboratively identify and implement innovative solutions to complex problems, Bruce’s career highlights include using agile approaches to implement an award-winning $77.4 million river recovery program in western Sydney on time and under budget, leading the development and implementation of a knowledge strategy process for the natural resource management organisations across Australia, and pioneering collaborative learning and governance approaches to help communities to sustainably manage landscapes and catchments.