Sam and others:
Make it easier to understand characters in the guides, not just "explain" or using text, but rather several images that are examples.
Make it possible for people to keep the ability to go back and re-answer differently, untick or tick a different one, rather than when you simplify, it takes away the ability to change what you chose (and eliminates the old categories)
Eliminate the multiple examples to simplify visually
At every character, write: "go ahead and click more than one if you don't know"
Not just in one place
Sort all thousand Clarke co species
Sort by color
Then sort by size
Using "Our daily moth" to collect data on what mistakes people make, what their decision path is