High School

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The example of having two equal lines of checkers and then increasing the spacing of checkers in one line and asking which line has more checkers is meant to test for:

A. perceptual understanding
B. visual discrimination
C. cognitive development
D. spatial awareness

Answer :

This example is meant to test for what is called the conservation of numbers. This concept was first discovered by Piaget, and it means that there is a moment when an individual (in this case, a child) realizes that space or mass does not equal the amount of something. In this situation, a child would realize that there are the same amount of checkers in each line regardless of how long one line is compared to the other.

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Rewritten by : Barada

Final answer:

The example of changing checker spacing to test which line has more checkers deals with the concept of conservation in psychology, a key principle in cognitive development indicating that children begin to understand quantity invariance around ages 7 to 11.

Explanation:

The question you've asked refers to a concept tested in psychology related to visual perception and cognitive development. Specifically, this example is used to test for conservation, which is the understanding that quantity does not change despite changes in shape or arrangement. This concept is often part of developmental psychology studies, such as those by Jean Piaget, who found that the ability to understand conservation develops in children usually around the ages of 7 to 11. In the example given, two equal lines of checkers are presented, and then the spacing of checkers in one line is increased. Children who have not yet developed conservation may mistakenly believe that the longer line has more checkers, as they base their judgment on the line length rather than the number of checkers.