Discuss on Developmental Models
Discussion on Developmental Models

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Robbie Case considered a developmental approach to information processing which is similar to Piaget’s stage theory of development. However, in Case’s neo-Piagetian theory, attributes change within and between stages to increase the efficiency with which children use their limited working-memory capacity. As children improve their abilities to process data, the amount of information they can manage in their working memory increases, making it possible to advance to the subsequent stage. Several factors assist children in making these increases. First, neurological changes learned about in the previous lesson, such as synaptic growth and synaptic pruning, improve the efficiency of thought. Second, repeated use, or practice, of schemes causes them to become automatic, which releases the working memory for more advanced activities. Finally, as children begin to combine schemes, they create a network of concepts that allows them to think about situations in more advanced ways.

SIEGLER’S MODEL OF STRATEGY CHOICE
Robert Siegler developed a model of strategy choice which views cognition from an evolutionary perspective, specifically utilizing the idea of natural selection. As children generate new strategies for solving problems and test the efficacy of those strategies, some strategies are selected and survive, whereas others die off. By experimenting with basic strategies, children often discover more successful strategies. Also, when directly taught an effective strategy, children typically replace their less successful strategies, although this change is not always immediate. Using new strategies challenges the working memory, which may cause some children to resist using it at first.

This model of information processing reveals that the way children approach problems is incredibly unique. Given the same problem in two different instances, a child may use different approaches to solving the problem each time. This flexible use of strategies is imperative for developing fresh methods of thinking in order to solve increasingly complex types of problems.

Three children in a classroom with a teacher, stacking large colorful blocks.

Attention
If you have ever worked with young children, you are aware that they have limited spans of attention in which you can expect them to be wholly engaged in a given task. However, as we will learn, attention to task is essential to thinking because it helps an individual determine which information needs to be considered.

Attention is typically dissected into the following three categories: sustained, selective, and adaptable attention.