Do First Graders Make Efficient Use of External Number Representations? The Case of the Twenty-Frame

Keyphrases

• Random Arrangement 100%
• External numbers 100%
• Number Representation 100%
• First Graders 100%
• Accuracy Rate 50%
• Response Time 50%
• First Year 50%
• Response Predictors 50%
• Time Rate 50%
• Response Accuracy 50%
• Strong Predictor 50%
• External Representations 50%
• First-grade children 50%
• Cognitive Variables 50%
• Statistically Controlled 50%
• Arithmetic Test 50%
• Child Performance 50%
• Two-row 50%

Psychology

• Reaction Time 100%