Freddie, aged 4, watches as his juice is poured from a short, wide glass into a tall, thin glass. He says, "Now I've got more, because it's higher." His sister Ella, aged 8, says, "It's the same, because the glass is thinner as well as taller."
Using Piaget's concept of decentration, explain the difference between the two children's answers.
104 exam-style questions on OCR GCSE Psychology 2.2 Theories/Explanations, covering 2.2.1 Piaget's four invariant stages, 2.2.2 Assimilation and accommodation, 2.2.3 Object permanence, animism, egocentrism, 2.2.4 Decentration, reversibility, conservation; criticisms, 2.2.5 Cognitive Development research study: Piaget (1952), 2.2.6 Dweck's fixed and growth mindsets, 2.2.7 Willingham's learning styles and meaning; criticisms, and 2.2.8 Learning research study: Blackwell et al. (2007). Each one has a worked solution and a mark scheme showing where the marks go.