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WHAT IT REALLY MEANS TO BE
left-handedRead the full article on Bloomberg View
Peter Orszsag
We used to assume being left-
handed made you special. Right?
Only around 12% of people in the
world are lefties.
The brain of a left-handed person
works differently than that of a
right-handed person.
The brain of a left-handed person
works differently than that of a
right-handed person.
But does belonging to the 12
percent bring some IQ or other
benefit?
A Harvard economist named Joshua
Goodman found that being left-
handed may actually be a curse.
A Harvard economist named Joshua
Goodman found that being left-
handed may actually be a curse.
Goodman’s research established
that lefties earn about 10 to 12
percent less than righties
Goodman’s research found that lefties have:
Goodman’s research found that lefties have:
more emotional and behavioral problems
Goodman’s research found that lefties have:
more emotional and behavioral problems
more learning disabilities
Goodman’s research found that lefties have:
more emotional and behavioral problems
more learning disabilities
complete less schooling
Goodman’s research found that lefties have:
more emotional and behavioral problems
more learning disabilities
complete less schooling
work in occupations requiring less cognitive skill
Other stats Goodman found:
Other stats Goodman found:
Lefties are three or four percentage
points more likely to be in the bottom
tenth of test scores than righties.
Other stats Goodman found:
Lefties are three or four percentage
points more likely to be in the bottom
tenth of test scores than righties.
Lefties in the U.S. are less likely to be in the top
10 percent of cognitive skills.
What’s the bottom line?
According to Goodman’s study, for most people, being lefty is a
disadvantage.
According to Goodman’s study, for most people, being lefty is a
disadvantage.
But there’s good news…
Lefties born to left-handed mothers
have outcomes similar to righties.
What could explain this?
Here's one theory.
Here's one theory.
Right-handed children of left-handed
mothers experience adverse effects
that are similar to left-handed children
of right-handed mothers, according to
Goodman’s findings.
From early childhood, if you are born
with a different predominant hand
than your mother, you might face more
economic obstacles throughout your
life.
It's possible that learning to mimic
one’s mother in early learning is more
challenging when handedness differs
between mother and child.

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What It Really Means To Be Left-Handed

  • 1. WHAT IT REALLY MEANS TO BE left-handedRead the full article on Bloomberg View Peter Orszsag
  • 2. We used to assume being left- handed made you special. Right?
  • 3. Only around 12% of people in the world are lefties.
  • 4. The brain of a left-handed person works differently than that of a right-handed person.
  • 5. The brain of a left-handed person works differently than that of a right-handed person. But does belonging to the 12 percent bring some IQ or other benefit?
  • 6. A Harvard economist named Joshua Goodman found that being left- handed may actually be a curse.
  • 7. A Harvard economist named Joshua Goodman found that being left- handed may actually be a curse. Goodman’s research established that lefties earn about 10 to 12 percent less than righties
  • 8. Goodman’s research found that lefties have:
  • 9. Goodman’s research found that lefties have: more emotional and behavioral problems
  • 10. Goodman’s research found that lefties have: more emotional and behavioral problems more learning disabilities
  • 11. Goodman’s research found that lefties have: more emotional and behavioral problems more learning disabilities complete less schooling
  • 12. Goodman’s research found that lefties have: more emotional and behavioral problems more learning disabilities complete less schooling work in occupations requiring less cognitive skill
  • 14. Other stats Goodman found: Lefties are three or four percentage points more likely to be in the bottom tenth of test scores than righties.
  • 15. Other stats Goodman found: Lefties are three or four percentage points more likely to be in the bottom tenth of test scores than righties. Lefties in the U.S. are less likely to be in the top 10 percent of cognitive skills.
  • 17. According to Goodman’s study, for most people, being lefty is a disadvantage.
  • 18. According to Goodman’s study, for most people, being lefty is a disadvantage. But there’s good news…
  • 19. Lefties born to left-handed mothers have outcomes similar to righties.
  • 22. Here's one theory. Right-handed children of left-handed mothers experience adverse effects that are similar to left-handed children of right-handed mothers, according to Goodman’s findings.
  • 23. From early childhood, if you are born with a different predominant hand than your mother, you might face more economic obstacles throughout your life. It's possible that learning to mimic one’s mother in early learning is more challenging when handedness differs between mother and child.