Anticipation, Execution and Change of Criterion in Partly Spontaneous Classifications
Inhelder, Brbel & Piaget, Jean · 2013
Che (7; 3) divides the elements into red and blue, and then subdivides them into squares and circles. The blue elements are disarranged: “Do they still go well together?—No, because they&s;re circles and squares . . . Yes, because they&s;re blue!"