Ancestors

Written by Tony Vladusich on 2025-01-09 at 05:59

Quiz time!

Which grey disk surrounded by a black donut best matches the grey shade of the disk inside the white donut?

Poll in thread because Masto doesn't seem to allow both a poll and a pic in the same post.

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Toot

Written by Tony Vladusich on 2025-01-09 at 06:01

Does the grey shade of the disk in B, C or D best match the disk in A?

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Descendants

Written by Tony Vladusich on 2025-01-10 at 06:19

Y’all just light meters! I want to hear from the one person who voted for B though!

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Written by Pekka Paalanen on 2025-01-10 at 08:32

@TonyVladusich I didn't vote, but I can easily match B by thinking the middle is a semitransparent film. Match C by a little less transparent, a little harder. Match D by "it's opaque". If there was an E, it'd match by assuming a change in illumination I feel.

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Written by Pekka Paalanen on 2025-01-10 at 08:35

@TonyVladusich The middle in A somehow feels lighter than in D when I think of plain brightness with no interpretation.

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Written by Tony Vladusich on 2025-01-10 at 10:49

@pq

I see the semi-transparency as my default mode so B is my best match. I find it difficult to see any other match as better. Of course, all the matches are poor.

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Written by Luna Rood on 2025-01-10 at 17:35

@TonyVladusich @pq To me, the phrasing really skews the cognition.

Framing it as "a disk surrounded by a donut" eliminates the transparency mode for me, and leads to the (poor) match D.

Framing it more abstractly (e.g. "Which disk best matches A?") my answer becomes B (I think due to contrast).

Interestingly, this malleability extends to the inverse framing. If you tell me the grey disk in A is the same as any of B, C, or D, my perception adapts, changing perceived transmittance/reflectance.

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