According to Gelman and Meck, the One-To-One Principle, the Stable-Order

question 170

Multiple Choice

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

• A) 5 months of age.
• B) 1 year of age.
• C) 3 years of age.
• D) 5 years of age.