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Comparing Classical and Item-Response Theory

When a new test is developed, test developers typically begin by creating more items than are needed. Item analysis techniques such as CTT and IRT are then used.

Provide an explanation of advantages and disadvantages of CTT and IRT.

Describe two specific circumstances for which IRT might provide meaningful benefits if applied to the development or implementation of the test that you are proposing for children with behavioral problems using intelligence tests and explain why.

Describe two specific circumstances for which CTT might provide meaningful benefits to your test and explain why.