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I am no longer a fan of this type of diagram, but I was using it as well for some eye-catching posters.
I used color coding with darkest green indicating "like" and darkest red for "dislike" (and shades to indicate nuances in evaluation). Also, I extended the axes to have a center for a neutral evaluation.



Kaiser - your reformatting of the bars is clearly a superior way to show the data, and all of your points about why are helpful in understanding the issues involved.

I am struggling to find anything useful in the dot, however. I assume the goal is to draw more attention to the division between neutral and non-neutral; I think the color choice alone should do that adequately.

And if the color choice alone is not enough, I would prefer to then look at alternate displays, such as small multiples for positive/negative/neutral, or something similar. If something more subtle than small multiples were needed, but more salient than just the colors, I would consider instead, removing the white border between the series, *except* for the white border between negative/neutral, and neutral/positive - I feel this would achieve what you're aiming for without introducing [what comes across to me as] a foreign and disruptive shape.

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Kaiser Fung. Business analytics and data visualization expert. Author and Speaker.
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