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How does change occur: a microgenetic study of number conservation
1Department of Psychology, Carnegie Mellon University, Pittsburgh, PA 15213, USA.
Cognitive Psychology
|June 1, 1995
Summary
Explaining reasoning significantly boosted young children's learning of number conservation. Encouraging children to articulate the experimenter's logic enhanced their understanding of quantity and transformations more than simple feedback.
Area of Science:
- Cognitive Development
- Developmental Psychology
- Childhood Learning
Background:
- Microgenetic methods offer insights into developmental processes.
- Number conservation is a key developmental milestone in early childhood.
- Understanding children's reasoning is crucial for educational interventions.
Purpose of the Study:
- To investigate the effectiveness of different training methods on number conservation acquisition.
- To explore the role of explaining reasoning in enhancing learning.
- To analyze the variability of reasoning in young children.
Main Methods:
- A microgenetic approach was used with five-year-olds who had not mastered number conservation.
- Training involved feedback and/or explaining the experimenter's reasoning over four sessions.
- Pretest and training performance were analyzed for learning and reasoning variability.
Main Results:
- Explaining the experimenter's reasoning led to significantly greater learning compared to feedback alone.
- Children demonstrated understanding of key concepts like irrelevant length and relevant transformations.
- Reasoning variability within and across trials was positively associated with learning outcomes.
Conclusions:
- Encouraging children to explain others' reasoning is a powerful learning tool.
- Developmental progress is characterized by gradual understanding and persistent reasoning variability.
- These findings have implications for both educational practices and developmental theory.