The concept of conservation is related to logical ability. This is the ability to understand the logical thinking that a certain quantity is the same despite the size has been changed. It helps a person to understand the shape and size, and apparent size.
The concept of conservation was given by Jean Piaget. The conservation is not found in the pre-operational stage of development in children. Conservation is a property of children in which children developed logical thinking about the invariant size, shape of an object despite it is not resent in front of a child.
Thus in the above statement, the child lacks the sense of what child development milestone.
These two researcher obligations, wherein the researchers make sure that the participants are told about the true nature of the study before they leave and they must make sure that the participants do not feel bad about their behavior, are referred to as debriefing and protection from harm.
parents are difficult, money problems, parents push kids to do better, parents and teachers are most likely to cause sewreside it wont let me spell the actual word