Piaget's view is called psychological constructivism. Vygotsky's is called:

1. Both see learners as building knowledge, so both are constructivist. 2. Piaget's version centres on the individual's own experience: psychological constructivism. 3. Vygotsky's version centres on help from others: **social constructivism**. 4. The social version makes the more expert helper responsible for arranging the learning. **Why not the others:** Individual constructivism is another name for Piaget's psychological version. Radical constructivism is von Glasersfeld's and communal constructivism is Leask and Younie's later idea. _Source: Seifert and Sutton, Educational Psychology, 2nd ed. (2009, CC BY 3.0), Ch 2, section "Constructivism: changes in how students think", p. 34_