Painting I / Contrast, Harmony and Simultaneous Contrast
Practice question · Sort into groups

Sort each observed change by what caused it.

Groups: Simultaneous contrast, a neighbour in space · Successive contrast, a neighbour in time · Neither: a real difference in the paint

Hints
  1. Two of the six survive being cut out and moved elsewhere.
  2. Two of them depend on where the eye has just been.
Show the answer

Simultaneous contrast, a neighbour in space: Grey warms by blue, Ochre pales on dark ground

Successive contrast, a neighbour in time: Green afterimage of red, Yellow dulls after strong

Neither: a real difference in the paint: Added white lightens paint, Warm underlayer alters hue

Why

The third column is the control condition and the reason to sort at all. A student who attributes every difference to contrast stops correcting real mistakes, and a student who attributes none of them starts repainting passages that were right.

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