Donny's mother has just poured him and his sister Marie glasses of orange juice. After they are poured, Donny becomes very upset that he got less juice that his sister. Their mother points out that while Donny's glass is short it is also wider and thus both children have the same amount. Donny continues to protest, arguing that his juice is shorter thus he has less juice. Piaget would explain Donny's behavior as being the result of

Piaget would explain Donny's behavior as being the result of centration.

Explanation:

In the field of psychology, centration can be described as a phenomenon in which an individual focuses on one aspect of the situation while neglecting all the other aspects of the situation.

The same phenomenon of centration was seen in Donny when he only considered the aspect that he got lesser juice than his sister. He did not consider the other aspects of the situation such as his glass being more wider than the glass of his sister.

the telephone is the answer