EntityQ2918329· pop 10· linked from 8 articlesconservationSign in to savelogical thinking ability allowing to determine that a certain quantity will remain the same despite adjustment of the container, shape, or apparent sizeConnectionschildEntitydeathEntityinfantEntitychildbirthEntityyouthEntityadultEntityold ageEntityadolescenceEntitydigital object identifierEntityJean PiagetEntityembryoEntitypubertyEntityhuman fetusEntityzygoteEntityageingEntitypsychologistEntityQ180686Entitycritical thinkingEntitydevelopmental psychologyEntityJSTOREntityCategoriesChild developmentCognitive psychology