Can your personality type change?
Yes
Studies show that changing careers, starting a new relationship, or moving to a new country can have a 15-25% impact on one’s personality.
No
Studies show that most people maintain the same personality, and significant changes are rare.
The Nature vs Nurture debate is dead.
Geneticists would often argue that your DNA determines your outcome, personality, and how successful you would become.
Social psychologists and sociologists would argue that culture, education, and social factors are crucial to your success.
This debate has now died, and most psychologists have moved on.
The Problem with Twin Studies
Studies on twins were historically used to argue that Genetics was the sole factor in your development and that parenting did not impact how a person grew up.
Today, these studies have been heavily disputed, and we now recognize that social conditions have a considerable significance on your development.
Neuroplasticity
We also know that DNA or genes react to our environment and can be turned on or off depending on our context. There is no psychopath gene, but there are specific genes that can activate as a defense when a child is raised in a traumatic environment, driving a person to become a psychopath.
Nature
Nature is a set of pre-programmed variables that can drive a person to respond in a certain way to a particular situation. Think of it as a predisposition.
Nurture
Your environment can influence your development, sending specific signals to your brain to act or respond in a certain way.
There is no Introverted or Extroverted gene, but a set of genes that, under certain environmental conditions, will cause one to develop to become more introverted or extroverted.
How much can your personality change?
From INFP to ESTJ
An INFP scoring 90th percentile in all four scales can’t become an Extroverted, Sensing, Thinking or Judging type.
From ENfp to ENtj
An ENfp scoring 90th percentile in Extroversion and iNtuition can’t become an Introvert or a Sensing type, but can become a moderate thinking and judging personality type.
From isTP to ISTP
An isTP who used to have a moderate preference for Introversion and Sensing might become more introverted and sensing over time.
What can cause your personality to change?
New partner
Starting your first new relationship can significantly change your personality, and people tend to become more like their partner over time.
Moving countries
Moving to a new country can drive you to change in considerable ways, most becoming more extroverted and more intuitive.
Having a child
Having a baby can make a person more strong in Feeling and Perceiving.
Impact of having a child on personality
Source: https://escholarship.org/uc/item/92m587fd
Life change and personality
Source: https://escholarship.org/uc/item/92m587fd
Love yourself and your past and future.
Understand your history, genetic background, and relationship with your parents and grandparents. Learn from your insights and make educated choices about your lifestyle. Change your environment to build a positive symbiotic relationship where you can thrive.
- Work from your strengths. Don’t try to change fundamental aspects of who you are. Put yourself in environments where you can shine.
- Be aware of your weaknesses, and work with your environment to get help and support where needed.
- If you can benefit from changing your personality or developing new traits, go for it!
- Recognize past baggage, like an increased likelihood of addiction, and avoid environments that may drive you to develop addictions.
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