Michael is an eight-year-old who understands seriation, conservation of number, and amount. However, he fails to understand other types of conservation problems. This pattern of development

Question

Quizplus · Accepted Answer

The pattern of development described is common and is termed horizontal decalage. This means that children may understand one type of conservation problem (e.g. conservation of number), but may not understand another (e.g. conservation of liquid). This is a normal part of cognitive development and does not necessarily indicate advanced or delayed development.

Michael Is an Eight-Year-Old Who Understands Seriation, Conservation of Number