Other symbols are language and pretend play . Intuitive means they seem so sure about their knowledge and understanding, yet are so unaware of how they know what they know. They know something but know it without the use of rational thinking. They have difficulty putting things into correct categories. They are unable to conserve liquid, number, matter, length, volume, and area because they are unable to mentally reverse actions.
Infants begin to discover that their behavior is their own.
They start to assert their sense of independence or autonomy . They recognize their will . If infants are restrained too much or punished too harshly, they are likely to develop a sense of shame and doubt. They become secure in this identity. They can use their muscles, do many things for themselves.