Leo, aged two, can already sort building blocks by size before he has learned the words "big" and "small".
Explain how this supports Piaget's (1950) theory of the relationship between language and thought.
48 exam-style questions on Edexcel GCSE Psychology 10.1 Language, thought and communication, covering 10.1.1 Relationship between language and thought, 10.1.2 How thought and language affect views of the world, 10.1.3 Human vs animal communication, 10.1.4 Non-verbal communication examples, and 10.1.5 Explanations of non-verbal communication. Each one has a worked solution and a mark scheme showing where the marks go.