Five-year-old Mary watches while her teacher pours equal amounts of water into two similar glasses. The liquid from one of the g
lasses is then poured into a tall, thin container, and Mary is asked which contains more—the original glass or the tall, thin container. She says the tall, thin container contains more liquid. According to Jean Piaget, this example illustrates a lack of _______.a. conservation b. object permanence
c. egocentrism
d. preconventional thought
e. basic trust
Conservation is a logical reasoning skill that can help to establish that, notwithstanding the adjustments to the container, structure or evident magnitude, a certain proportion is the same, according to Jean Piaget, psychologist.Conservation is one of the developmental achievements of Piaget, where the child learns that altering the form of a content or item does not affect the quantity, mass or percentage of a content or item.
