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ragingloli's avatar

How do you interpret the various scores on the ubiquitous 1-10 rating scale?

Asked by ragingloli (52278points) September 16th, 2014

Do you see them more as a linear progression, or rather as points on a parabolic curve?

For example, in a linear progression, a score of 5 would be mediocre, however, seen as a parabola, mediocre would apply to the score of 7, with only 8,9 and 10 seen as good, while 1 to 6 are just degrees of bad.
Where do you fall?

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6 Answers

dappled_leaves's avatar

How could they be anything other than linear?

gasman's avatar

To me a linear scale should be 0 to 10.
A scale of 1 to 10 suggests logarithmic, in which case the midpoint is a little over 3.

I know that’s not what most people have in mind—using 1 instead of 0 as the lower end-point of an intended linear scale is a sign of innumeracy (which of course afflicts most of the population). Imagine measuring length with a ruler that begins at 1 inch!

flutherother's avatar

I think of them as linear like points on a ruler.

FireMadeFlesh's avatar

I think of it in terms of the statistical normal distribution curve. A 5 is average, and 0 and 10 are almost unheard of. The majority fall between 3 and 7, so a 2 is exceptionally bad, and an 8 is exceptionally good.

gasman's avatar

@FireMadeFlesh Yes, but on a scale of 1–10 a normal distribution would have an average of 5.5, not 5.

When we rate things on some kind of scale, it’s fundamentally an act of measurement, not counting. Therein lies the difference between starting with zero instead of 1.

FireMadeFlesh's avatar

@gasman I totally agree. That’s why I said “0 and 10 are almost unheard of” – I include 0 in my scale, but like 10 it is never used, because the tail is vanishingly small at that point.

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