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Science: younger siblings have lower IQs than the oldest sibling

Posted on 4/11/19 at 9:47 am
Posted by Kujo
225-911-5736
Member since Dec 2015
6044 posts
Posted on 4/11/19 at 9:47 am
LINK

1st Born Swag
quote:

Being the only child can have its advantages, but being the oldest could have even more. A study published in the Journal of Human Resources suggests that firstborn children are set up for more academic and intellectual success.

The findings of the study are based on theChildren of the National Longitudinal Survey of the Youth, which includes information of thousands of Americans between the ages of 14 and 21. Each participant was first interviewed in 1979 and re-interviewed since then. The data provides information on employment, income, education and other background information




quote:

Firstborn tend to be more confident about themselves, particularly their academic performance, according to the study.

A previous study
 shows that younger siblings have a lower IQ compared to the oldest sibling and tend to perform poorly in school.




Corroborated bitches
Posted by The Last Coco
On the water
Member since Mar 2009
6998 posts
Posted on 4/11/19 at 9:49 am to
Youngest of 11 checking in...

Explains a lot.
Posted by RATeamWannabe
Baton Rouge
Member since Sep 2009
26018 posts
Posted on 4/11/19 at 9:49 am to
Wish my little sister was still around for me to rub this in
Posted by tiggerthetooth
Big Momma's House
Member since Oct 2010
64638 posts
Posted on 4/11/19 at 9:49 am to
Parenting gets worse with the 2nd child.


So can we assume the youngest child in any family is the dumbest of all the kids?
Posted by TOSOV
Member since Jan 2016
8922 posts
Posted on 4/11/19 at 9:50 am to
Sheldon Cooper says "hello"...just sayins

Posted by Kujo
225-911-5736
Member since Dec 2015
6044 posts
Posted on 4/11/19 at 9:51 am to
quote:


So can we assume the youngest child in any family is the dumbest of all the kids?


and the gayest

quote:

The more older brothers a boy has, the more likely he is to be gay when he grows up – an effect called the “fraternal birth order effect”. Now it seems that increasing levels of antibodies in a mother’s immune system could play a role.

LINK
Posted by ithad2bme
Houston transplant from B.R.
Member since Sep 2008
3732 posts
Posted on 4/11/19 at 9:52 am to
Likely due to the fact that the oldest get undivided attention in those critical early developmental years while the younger sibling does not.

I'm the oldest, so I support these findings.
Posted by statman34
Member since Feb 2011
3851 posts
Posted on 4/11/19 at 9:52 am to
Another hit piece to get the population to stop having kids after #1.
Posted by The Last Coco
On the water
Member since Mar 2009
6998 posts
Posted on 4/11/19 at 9:53 am to
quote:

more older brothers a boy has, the more likely he is to be gay


Hits keep coming. I've got 4 older brothers on top of being the last of the line. Suppose I'm doomed.
Posted by TH03
Mogadishu
Member since Dec 2008
172004 posts
Posted on 4/11/19 at 9:54 am to
As a younger sibling, I would agree.
Posted by GeauxDoc
Highland Road
Member since Sep 2010
2826 posts
Posted on 4/11/19 at 9:54 am to
Definitely not the case in my house growing up....
Posted by elposter
Member since Dec 2010
26751 posts
Posted on 4/11/19 at 9:55 am to
quote:

Hits keep coming. I've got 4 older brothers on top of being the last of the line. Suppose I'm doomed.


Gay retards have value too man.
Posted by 777Tiger
Member since Mar 2011
93541 posts
Posted on 4/11/19 at 9:56 am to
quote:

Likely due to the fact that the oldest get undivided attention in those critical early developmental years while the younger sibling does not. I'm the oldest, so I support these findings.


just the opposite in my family, I'm right in the middle but when I was young, my parents were busting arse, working a couple of jobs each to try to get their business going, after it was thriving and they were pretty comfortable, while still very busy, they had more time for the youngest kids, not saying we were slighted, at all, just more time spent with the youngest, and they are lowest achievers out of the bunch
Posted by tiggerthetooth
Big Momma's House
Member since Oct 2010
64638 posts
Posted on 4/11/19 at 9:56 am to
quote:

Another hit piece to get the population to stop having kids after #1.



Based on the logic of their findings the larger a family the dumber the youngest kid will be. So dont have more kids or else theyll be weak and dumb.
Posted by udtiger
Over your left shoulder
Member since Nov 2006
117061 posts
Posted on 4/11/19 at 9:56 am to
It would be interesting to compare mine.

Both straight A students their whole lives (with Honors and AP classes in HS). One is a savant with Math and Science The other is equally great in English and Social Sciences.

My guess is the Math/Science kid would perform better on the IQ test, even through they are both extremely intelligent.
Posted by elposter
Member since Dec 2010
26751 posts
Posted on 4/11/19 at 9:56 am to
quote:

Strange, she is here with me trying to rub one out. What do you want me to tell her?


Pretty sure he was saying she has passed away. As in she is dead. Way to go a-hole.
Posted by TheHarahanian
Actually not Harahan as of 6/2023
Member since May 2017
24330 posts
Posted on 4/11/19 at 9:58 am to

My older sister has known this for my whole life.
Posted by Douglas Quaid
Mars
Member since Mar 2010
4121 posts
Posted on 4/11/19 at 9:59 am to
quote:

Another hit piece to get the population to stop having kids after #1.



Nothing wrong with that. The world is overrun with idiots already.
Posted by Athos
Member since Sep 2016
11878 posts
Posted on 4/11/19 at 10:01 am to
IQ tests are being proven to be fundamentally flawed though, so the study itself is flawed. Doubly so using old IQ concepts from the 70s and 80s.
Posted by TH03
Mogadishu
Member since Dec 2008
172004 posts
Posted on 4/11/19 at 10:02 am to
Sorry you tested so low, man.
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