The purpose of this test was to determine the ability of the child to understand the concept of conservation, in the sense that, though the three containers had different shapes the amount of water they held was equal. Similarly, though the stick and the string are of different kinds they were of the same length with none of them being shorter or longer than the other is.
On the other hand, the balls would show the ability of the child to remember objects even without their presence.
These are just excerpts of essays for you to view. Please click on Order Now for custom essays, research papers, term papers, thesis, dissertations, case studies and book reports.