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knowledge base

1. an individual’s general background knowledge, which influences his or her performance on most cognitive tasks.

2. a repository of factual and heuristic information, usually in machine-processable form.

3. the body of accumulated information (research, best practices, and so on) that guides an organization’s approach to specific problems or challenges.

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Psychology term of the day

June 18th 2024

two-parameter model

two-parameter model

in item response theory, a model that specifies two parameters affecting an individual’s response to a particular test item: (a) the difficulty level of the item and (b) the item discriminability. See also Rasch model; three-parameter model.