Five-year-old Louis can conserve liquid, but not volume. According to Case's neo-Piagetian theory, one explanation for Louis's differential success would be that
A) he has more experience manipulating volume than he does manipulating liquid.
B) he lives in a culture that does not encourage mastery of conservation.
C) the processing demands of a conservation-of-volume task are greater than those of a conservation-of-liquid task.
D) familiar glasses were used in the liquid problem, whereas less familiar glasses were used in the volume problem.
C
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