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Hayley Krischer

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Birth Order and Personality: What Does It Mean?

Posted: 09/28/11 03:18 PM ET

I have one sibling. He's about a year and a half younger than me. When we were younger, I was the dominant older sister. Pierced his ear. Made him eat goop. As we've gotten older, the roles between us have shifted. We give each other advice. We listen to each other. He is my equal now and we rarely fall into those old roles. (Okay, I know more than he does, I do, I do, na-na-na-boo-boo.).

Jeffrey Kluger's new book, The Sibling Effect: What the Bonds Among Brothers and Sisters Reveal About Us, and a whole lot of research on siblings, show that our birth orders do have more weight in our lives than, say, horoscopes. Says Kluger in an interview on NPR's Leonard Lopate show:

"There's a certain amount of lock in... You can't change history, you can't change the present things like birth order patterns... those things are fairly well fixed up to a point, when people get out of the house and once you get out of the house that history stays with you, sort of like a programming...

...And it is essentially, very broadly, true that firstborns will be the most successful. They will be the ones who earn the most. They will be the ones who are most loyal to the family, most driven to achieve in traditional ways.

They will also be the tallest, even if it's only by a few centimeters, and they tend to have higher IQs by about three points over the second-born."

Am I the tallest? No. Earn more? No. The smartest? No. But our smarts are different. My brother is more street smart. Me, more book smart. Does that put us in a mold? Maybe so.

What I find most interesting about this isn't really about my role in my family with my brother, but the role that I had during the time my father was remarried and I gained two new people in my family: a stepmother and a stepsister. Stepsister (let's call her Wanda because, why not?) was two years older and was an only child. Wanda lived with my father (I lived with my mother) and I visited there every other weekend.

This was a problem for a few reasons.

1. Wanda had always been the one and only focus in her family. She now had to share focus.

2. Wanda didn't know that I was the older sister. Age took back seat to birth order. She didn't get to boss around my little brother. I did. She didn't get to boss me around because in my mind, I was the head sibling in charge.

3. I wasn't the middle child. And as everyone knows, the middle child is stuck in birth order hell. The middle child isn't the safe older one. Or the racy baby. You're in purgatory as the middle child, and since I had always been in charge of the sibling dynamic, my childhood self couldn't control those urges to break free of that middle child syndrome. Wanda, if you're reading this, don't blame me! Blame the 12 year old me!

4. Wanda got to live with my father, and for this I was (albeit unconsciously) jealous.

If we had better help transitioning to our roles, maybe I would have enjoyed having an "older" sister. In truth, there was one year when we were first blended where I looked up to her. She was a great artist. A confident girl. But once the power struggles between she and I began, they could never really be repaired.

Studies from the past three years show that birth order determines IQ and our personality traits. If this is so, then how do sibling rivalries shake out in stepfamilies when birth order becomes an issue? What about blended families? My daughter is the baby of the family. My son is the oldest. That's in OUR house. My son is an only child in his father's house because his father doesn't have any other children, right? Or am I wrong? I know Jake is connected to his sister outside of our house--it's not that she stops existing when he's away from her--but the dynamic is entirely different. At his father's, he doesn't have to share. He can have more adult conversations because there's not another child in the house demanding we get down to toddler level.

Look, I'm not saying any of this is good or bad. I'm simply fascinated by it--and more, I'm interested in how it forms us as a person for the rest of our lives. If children in blended families have both siblings, steps, halves, etc. then their birth order changes... constantly?

Thoughts?

 

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I have one sibling. He's about a year and a half younger than me. When we were younger, I was the dominant older sister. Pierced his ear. Made him eat goop. As we've gotten older, the roles between us...
I have one sibling. He's about a year and a half younger than me. When we were younger, I was the dominant older sister. Pierced his ear. Made him eat goop. As we've gotten older, the roles between us...
 
 
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01:22 PM on 10/06/2011
"They will be the ones who are most loyal to the family, most driven to achieve in traditional ways." Wrong. I am the middle child and I am by far the most loyal and traditional. Bith order doesn't really mean anything unless you let it dictate your viewpoint of yourself & family.
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rdl114
12:21 AM on 10/05/2011
Would either the writer or the editors pay attention to simple - and I do mean simple - grammar?

"the power struggles between she and I began..." Between her and me!!!! "She" and "I" are subject pronouns, not object pronouns. In this case, we are looking for the object of a preposition, "between." You would, not, for instance, say "John gave the ball to I," or "The bee was on she."
airmikee99
I can has micro-bio?
05:24 PM on 10/04/2011
Birth Order and Personality: What Does It Mean?

Absolutely nothing.
04:52 PM on 10/04/2011
Unless I'm missing something psychological and emotional character traits that derive from birth order are not affected by mixed families unless those families are joined during early formative years. Otherwise, as the quote states much of what has developed will be locked in.

What is being discussed is development based upon status and role within a familial group.
10:34 AM on 10/04/2011
I'm not sure birth order means didley beyond your pre teens. Seems all so concocted. Yes my older sister (8 months) took charge alot and was given responsibilities beyond her age but higher I.Q. ? No. My I.Q. has gone from very low to very high through out my life. It's so inconsistent I have no belief in I.Q. tests other than to say if someone is mentally disabled.

I believe more in environment, parenting and DNA. Although I also believe people can change of their own free motivated will if they are enlightened enough. Most people don't live a life of enlightenment but rather experience moments peppered through their lives with deep clarity. Facing reality without prejudice, malice or connotation takes selfaware courage. Few people want to know the truth it might mean they'll have to live with it or the challenge of changing. They'd willingly take the blue pill.

I was a daydreamer as a boy. I was content to fantasize and watch butterflies flicker above me while I lay motionless on a fallen tree. My imagination now is full throttle. I analyze things. I observe for a long time and read. My older sister reacts.

I still observe and daydream but now I can use it as a tool, a toy and a skill. I can apply it. I have spent a life time applying it to understanding who I am. I'm not happier than those who don't but I'm much more conscious about my choices than
09:31 PM on 10/03/2011
An interesting read. Have we considered that the era the family lives in might also be a factor? We have a tendency to consider the modern age as unending and unchanging. Is the oldest sibling the most successful? If so, when was (s)he born? A product of the 50s? 60s? 80s? gasp 90s? Is birth order more relevant 300 years ago when a familial heir was paramount? Is the tradition carried on today, subtly, subconsciously? Many parents claim the youngest, forever dubbed "the baby," was the "fun child," there to be raised purely for enjoyment now that financial woes are lesser and parents are wiser. Does this affect the child's drive for ultimate success?

I think these and many more factors are part of the equation. To put it simply to "birth order" almost makes it sound genetic or some side affect of a new vs. used uteris, as though the mother's body knows this is to be the first, middle or last child and injects special hormones. I think its extremely complex and probably more due to society at the time the child grows up than anything else.

Just my 2 cents. Oh and I'm the youngest of 4 ;)
08:48 PM on 10/03/2011
I wonder how much of the birth order effect is nature and how much is nurture. I'm the youngest but since my brother has learning disabilities I have always been treated as the oldest. I'm naturally a type B (laid-back) personality but was molded over the years to act like a type A. Needless to say I ended up a complete neurotic. Birth order studies both fascinate and frustrate me. Who I am and who I know how to be are too different!!
03:59 PM on 10/02/2011
There are a lot of other factors at play than strictly birth order. For example, if there is a big enough gap in ages, a later-born child may have the classic characteristics of a first born. Also gender has an effect. Changes in the stability, whether financial or emotional, of the family can affect the kids, too. The one thing that is hard to get around is the fact that the first born has his parent's undivided attention until the next one comes along, and the last born has their undivided attention after the others have left the roost. Middle kids never get to be the sole focus of attention.
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1969 Tony Smith
“A democracy is nothing more than mob rule, wher
12:27 PM on 10/02/2011
pecking order.
The bird at the top of the pecking order will have first access to water, food, the best roosting place and so on. The bird at the bottom of the pecking order has the least ‘rights' in the flock and will usually be the last to the food and will ‘skirt' around food that is scattered for them, nipping in to grab a beak full when possible
photo
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simplesins
A step left of center among right-leaning corn
11:03 PM on 10/02/2011
It's interesting how these things end up shaking out. I was the first born in a large(ish) family of five, and rather than getting dibs on everything, my role instead was to make sure the younger ones were taken care of. I think most firstborn in larger families had the same experience. It is part of why the firstborn tend to be the most responsible in a family.
07:36 PM on 10/03/2011
Just a thought...I'm not a bird, and I don't think anyone else is on here either (except maybe a raven or parrot, they are supposedly smart enough to type).

I think personality is a combination of nature and nurture, and blended families and step families are changing the overall dynamic of how people, both adults and children, interact with each other.

I'm a good example of this. I'm the oldest, youngest, and only child in my family. According to popular psychology I'm a leader, follower, caregiver, selfish brat, spoiled, ignored, relied upon, doted upon, the "mother", the "crone", simple, difficult, intelligent, and missing a few IQ points.

I think I'll go back to relying on my horoscope to predict my future.
12:04 PM on 10/02/2011
I believe that the postulations on whether you are this or that or the other based upon your birth order is how accepting you are of others telling you why you're the way you are instead of taking direct responsibility for your successes or failures. I can hear them now...how dysfunctional is this guy?
11:35 AM on 10/02/2011
I liked the article. I have always been interested in birth order. In my family, it makes sense. Now, my question is --how do all these people know they have the highest IQ in their family? Just not true. I would doubt that any of these people know what their IQ, or certainly not their siblings' IQ is! Anyway, if I had to guess, my younger brother probably has the highest IQ, but being the last born, he is the tiniest, the least successful, and the least responsible for his actions. LOVE birth order research!
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WilmaJune
06:02 PM on 10/03/2011
When my children started school, they were tested. Their IQ results were given to us at that time.
11:18 AM on 10/02/2011
I got to say. I am the girl baby of the family with two older brothers. My middle brother is definitely the favorite. Meanwhile my oldest brother and I are like two bookends of disappointment.
11:36 AM on 10/02/2011
sorry to hear that you feel that way..... I bet as the only daughter, you are precious to your family.
11:10 AM on 10/02/2011
The author brings an interesting point that I've often wondered: Does birth order still apply in today's society when there are so many blended families?
When I married my husband, I had one child and he had custody of one of his two. My daughter went from being the only to the youngest, except when my step-son lived with us, then she was the middle. When we had our first child together, the step-daughter had already gone back to her mom's - so my first daughter became the oldest, not the youngest. Then, a few years later, the youngest became the middle - in our house, but the 4th of 5 total. (If your head is spinning, that's okay, it happens to us too!)
Our youngest is taller than any of her sisters or her brother (we don't do steps and halfs around here). She's also the most outgoing and the most athletic. The smartest is the 4th of the 5.
Looking at our kids, the classic "birth order" projections do not fit.
Oh - I'm also from a "blended family", my sister and I lived with our mom, the two oldest step-brothers lived with their dad, and the youngest lived with his mom and my dad. Yeah - we kind of fit the typical birth order expectations, but only if you put us all together. I'm the middle, the peacemaker.
collectsrocks
It's good to be good & nice to be nice
10:57 AM on 10/02/2011
My late brother was 15 months old when my twin sister and I were born. She was born 8 minutes ahead of me, essentially making her the "middle born," however she was a pound less than I and born with a hernia, needing surgery right away. My parents naturally felt they needed to give her extra attention and treated her as the baby of the family. I got stuck being the oft times invisible "middle child." My sister and I recognized my brother was my mother's favorite child. My sister being tiny and having had surgery directly after birth was my father's favorite. Emotionally I was the family's sensitive child but usually was chastized for it. Worse yet being a twin, I physically felt HER pain, like the time of her 2nd hernia surgery at age 5, when I was unable to be awakened at home by my grandmother during my sister's operation. I even felt her labor when she was over seas having her son and had to take the day off work wondering why I was feeling so terrible. Her broken arm caused her no pain, but my arm was killing me. Her car wreck? Yep, I was hurting and she felt fine. It sucks to be the "middle child" when actually not being that. Our dog at least didn't stick me into that mold.
10:32 AM on 10/02/2011
Actually I've read it's scientific... second children are born with higher levels of testosterone, boy or girl they are more rambunctious, less shy, less fearful, (and the 3rd child with even more...)