The Learning Object Model (Wiley, 2000) is based upon the concept of “learning object”. The use of the term object is borrowed from the object-oriented paradigm of computer science. The fundamental idea behind object-orientation relates to small-sized pieces of learning materials that can be reused many times in different contexts. However, the model is more instructional and technological rather than a model or approach to learning per se. It does not fit well the constructivist epistemology.