Which one of the following statements describes one feature of what Piaget meant by the term 'conservation'?
The understanding that objects continue to exist even when they are hidden from direct view.
The understanding that certain physical properties of an object remain the same even when its outward appearance changes.
The understanding that smaller sub-classifications of objects can fit into a larger overarching category.
The understanding that other people can perceive a visual display differently from oneself.
59 exam-style questions on AQA A Level Psychology Piaget's theory of cognitive development. Each one has a worked solution and a mark scheme showing where the marks go.