By 2 years of age, children can see the value of trading the acceptance of one M & M for a whole bag of candy if they simply wait 30 minutes.

Question

Quizplus · Accepted Answer

While children can understand the concept of waiting for a reward by age 2, they may not yet have a strong enough self-control to actually wait 30 minutes for a larger reward instead of taking the immediate smaller reward.

By 2 Years of Age, Children Can See the Value