Are left-handers quicker thinkers than righties?

All those parents in the '70s and '80s who made their left-handed children struggle to use their right hands may be kicking themselves right about now.
Scientific studies are showing that lefties are quicker and more adroit in some activities than their right-handed counterparts. How true is this idea?

Lefty or righty? The surprising effects of being right or left-handed - Mirror Online

It's a right-handed world. What if we looked at it from the left? - The Boston Globe

Left is right (for some)

Who is better, a left brain thinker or a right brain thinker? - Quora

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National Left-Handers Day is Coming!

Lefty or righty? The surprising effects of being right or left-handed - Mirror Online