The first time that 4-year-old Sarah saw her older brother play a flute,she thought it was simply a large whistle.Sarah's initial understanding of the flute best illustrates the process of

A) assimilation.
B) conservation.
C) accommodation.
D) maturation.

Conservation

The principle (which Piaget believed to be a part of concrete operational reasoning) that properties such as mass, volume, and number remain the same despite changes in the forms of objects.

Maturation

The process of becoming mature, which involves the growth and development of an organism or human from infancy to adulthood.

Assimilation

In psychology, the cognitive process of fitting new information into existing cognitive schemas, perceptions, and understanding.