In educational tests, a group of questions related to a shared stimulus is called a testlet (e.g., a reading passage with multiple related questions). Use of testlets is very common in educational tests. Additionally, computerized adaptive testing (CAT) is a mode of testing where the test forms are created in real time tailoring to the test…

The completion rates were compared for long-form questions where a large blank answer space is provided and for long-form questions where the answer space has bullet-points prompts corresponding to the parts of the question. It was found that students were more likely to complete a question when bullet points were provided in the answer space.…

This three-paper dissertation explores item cluster-based assessments, first in general as it relates to modeling, and then, specific issues surrounding a particular item cluster-based assessment designed. There should be a reasonable analogy between the structure of a psychometric model and the cognitive theory that the assessment is based upon.…