Aphasia is the loss of the ability to produce and/or comprehend language, due to injury to brain areas responsible for these functions. Aphasic patients' performance on comprehension tests has ...

The Rasch measurement model has emerged as a pivotal tool in educational assessment by transforming ordinal performance data into interval-level measures. This probabilistic model facilitates the ...

This is a preview. Log in through your library . Abstract In this article, a hierarchical measurement model is developed that enables researchers to measure a latent ...

Lynch School Professor Larry Houston Ludlow recognized for widespread positive impact on the field of Rasch measurement. Boston College professor Larry Houston Ludlow, chair of the Lynch School of ...