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According to Gelman & Meck (1986), the One-To-One Principle, the Stable-Order

Question 15

Multiple Choice

According to Gelman & Meck (1986) , the one-to-one principle, the stable-order principle, and the cardinality principle are usually mastered by


A) five months of age.
B) one year of age.
C) three years of age.
D) five years of age.

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