NotesFAQContact Us
Collection
Advanced
Search Tips
Source
Cognition1
Publication Type
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing one result Save | Export
Peer reviewed Peer reviewed
Mounoud, Pierre; Bower, T. G. R. – Cognition, 1974
Conservation of weight is known to be achieved at a conceptual level at about 9 years of age. Infant behavior seems to indicate that between 6 and 18 months of age they develop a sensorimotor form of conservation. (Author/RC)
Descriptors: Child Development, Conservation (Concept), Infant Behavior, Infants