The Rasch Model for Reasoning

The Rasch Model for Reasoning is a mathematical approach used to measure abilities or skills, like reasoning, based on individual performance data. It assumes that the probability of a person answering an item correctly depends on their underlying ability and the difficulty of the item. By analyzing many responses, the model provides a fair comparison of different individuals’ reasoning skills and the difficulty of questions, regardless of other factors. This helps create a consistent, objective scale of reasoning ability that can be used for assessment, research, or educational purposes.