Personalized Learning (PL) has been widely promoted. Despite the increasing interest in PL, it is difficult to be implemented, because it can be complicated, costly, and even impossible without the help of powerful and advanced technology. This national survey study aimed at systematically investigating technology usage and needs of teachers in…

Reigeluth et al. ("Educ Technol" 48(6):32-39, 2008) proposed major and secondary functions for educational technology systems for the learner-centered paradigm of education. However, the functions proposed should be formatively evaluated and revised using a variety of cases to develop a better understanding of how technology can support…

In this article, the authors comment on Eric Fox's description of functional contextualism which makes several contributions to instructional design and technology (IDT). They agree that functional contextualism does indeed provide some "theoretical clarity and philosophical cohesion," not just for constructivism, but also for understanding…