The differential effects of age and first grade schooling on the development of infralogical and logico-mathematical concrete operations

Keyphrases

• Age-grading 100%
• Aging Effect 100%
• Chronological Age 50%
• Class Classification 50%
• Class Inclusion 50%
• Differential Effects 100%
• Differential Sensitivity 50%
• First Grade 100%
• Grade Level 50%
• Israeli children 50%
• Mass Conservation 50%
• Operational Skills 50%
• Operational Task 50%
• Out-of-school Experiences 50%
• Regression Discontinuity Design 50%
• Schooling Effects 100%
• Skill Classification 50%
• Transitivity 50%

Psychology

• Conservation of Mass 100%