Language Development
Piaget's Stage 3 of Cognitive Development
Complementation Tests
Piaget's Stage 2 of Cognitive Development
Piaget's Stage 1 of Cognitive Development
Cognitive Development During Adolescence
You might also read
Articles linked to this work by shared authors, journal, and citation graph.
Updated: Dec 11, 2025

Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools
Published on: June 20, 2020
1The University of Texas at San Antonio, USA.
Young Spanish-speaking children under four are still developing their understanding of Spanish copular verbs like "ser" and "estar." Research shows the distinction emerges between ages three and four.
Area of Science:
Background:
Purpose of the Study:
Main Methods:
Main Results:
Conclusions: