In a classic demonstration of cognitive development, a researcher poured a glass of lemonade into a taller, thinner glass that actually held the same amount of liquid. Children who believed that the shape of the glass determined its contents were deemed to be in the stage of development.

Question

Quizplus · Accepted Answer

Children in the preoperational stage (ages 2-7) often focus on appearances and may not understand that quantity remains the same despite changes in shape or appearance, demonstrating a lack of conservation.

In a Classic Demonstration of Cognitive Development, a Researcher Poured