Samuel & Bryant

Aim: To test whether the methology used in Piaget's conservation experiments was the reason why children under 7 years mad erros, rather than any true lack of understanding in conservation.

Sample: 252 children (63 5yrs, 6yrs, 7yrs, 8yrs) - opportunity

Method:Lab experiment, snapshot - independent measures

IV:Type of questioning. age of children

DV:Number of errors made (how many times…