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Vygotsky's Cognitive Development Of Children

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Piaget (1969) asserts that children’s cognitive development-stage is fixed; he believes children can only understand the concept of conservation and measurable attribute (e.g. volume, capacity, mass. weight) when they reach to certain age. However, Piaget’s (1969) theory is contradicted with numerous founding from recent researches that indicates children can develop an understanding of these concept during the early childhood year. Vygotsky (1978) believes the way children developed vary. Vygotsky (1978) emphasised children’s development occurs through parental instruction and interaction with the social environment. Number of researches shows the carers or the parent of the children provides scaffolding guides children to climb higher levels …show more content…

Preschool children are likely to fail on the conservation tasks. Piaget’s (1969) states children at age around two-to-seven have limit understanding that some physical quantities of objects remain invariant despite the configurational or spatial transformations. For example, have two identical glass with same amount of water in there, and ask the child which one has more water, they can easily answer that both glasses have the same amount. Then in front of the child, take one of the glasses, and pour the water into a wide and short glass; and pour the other one into a tall skinny glass, then right away ask the child again, “which one has more water?”. In general, the preschool-age children said the tall skinny glass has more, because the water is higher, because they have not gained the concept that the volume of liquids is conserved even when the liquid has transfer into different containers (Piaget, 1969). It also shows they are lack in the concept of reversibility, means they have difficulty to understand objects can be changed and returned to their original condition (Piaget, 1969). For example, a child would not know that a flattened clay can roll back into a …show more content…

Volume is the amount of space a three-dimensional substance is takes up; and capacity is the quantity that a three-dimensional figure can hold (Siemon et al., 2015). To support children’s learning in volume and capacity, it is critically important to plan volume and capacity related play experiences with effective pedagogical tools for children, for example, water play, cooking, sandpits, variety of trays, containers and measuring cups (Knaus, 2013; MacDonald & Rafferty, 2015;). Research has found that play increase children’s engagement with mathematical thinking and exposure to mathematical language through conversation with their peers, therefore, give plenty of opportunities for free play in the years before school is required (Cohrssen, Tayler & Cloney, 2014; Notari-Syverson & Sadler, 2008; Sumpter & Hedefalk, 2015). To increase children’s understanding in volume and capacity, adults can intervene children’s play, and demonstrates and model appropriate language that describes volume and capacity, such as ‘full’, ‘empty’ and ‘overflowing’ (MacDonald & Rafferty, 2015). Adults can also scaffold children’s concepts in volume and capacity by make comparisons, and

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