Object permanence is the understanding that objects

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Object permanence is the understanding that objects continue to exist they are out of sight(Broderick & Blewitt, 2015). Children generally begin to develop object permanence between the ages of 8 and 12 months (Broderick & Blewitt, 2015). Professionals test for the presence of this cognitive milestone by putting an object such as a toy in front of the child, covering up the object, and then observing rather or not the child looks for it; a child who looks for the missing object is said to have reached this cognitive milestone while in contrast a child who does not look for it has not reached the milestone (Broderick & Blewitt, 2015).
Conservation deals with an ability to think logically that Piaget suggested is not present in children between the ages of 2 and 7, but develops between the ages of 7 and 11 (Broderick & Blewitt, 2015). In other words, conservation refers to the capacity to conclude that a certain amount of something will stay the same regardless of changes involving the container, shape or apparent size. Conservation tasks are used to assess a child’s aptitude to recognize that some properties are well-maintained even following an object experiencing physical alteration. Piaget suggested that between the ages of 2 and 6 children are unable to conserve due to children in this

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