The headline below is pretty awful (since nothing about "morality" is raised), but the research described is very interesting, if a bit prosaic: your handedness drives you to favor things that are on that side. People who are left-handed will think more highly or favor items on the left; vice-versa for those who are right-handed.
The effect is, I suspect, not huge (otherwise it would be widely accepted), but it does make me wonder about some of the applications — advertising placement, offering choices to someone, landscape design, police line-ups, etc. The aggregate of many small psychological nudges could be significant.
What hand you favor shapes your moral choices
Research reveals that being right- or left-handed affects your psychology in ways you’ve probably never expected
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I’m always having to mentally reverse things when I’m writing a right-handed character. Like – which side a tear first runs. Both because of the way you’d be tilting your head, but also because it *feels* different. A tear of injustice – I think the left side of my face. A tear of blind loss, to the right. If I can find a definite preference to a side, I reverse it.
Another thing I’ve noticed: now that I’m playing FPSs, I like doing the “through the door sweep go go go” while turning to the right. I’m left-eyed, and it feels like I catch more on that side as it sweeps past the imaginary landscape. But then, I always walk with Lee on my left, so maybe that just feels more natural because he’s off to the left.