Item response theory (IRT) is currently the dominant methodological paradigm in educational and psychological measurement. IRT models are based on assumptions about the relationship between latent traits and observed responses, so the accuracy of the methodology depends heavily on the reasonableness of these assumptions. This dissertation consists…

Competency-based education (CBE) has become well-accepted as a powerful way to personalize learning. Today's advanced technologies have enhanced CBE even further. Practitioners in the field are seeking means to take advantage of technology to increase CBE's effectiveness and efficiency, especially for adult learners. Microlearning and digital open…