On the Concepts of Usability and Reusability of Learning Objects

On the Concepts of Usability and Reusability of Learning Objects
I'm not so happy with the definition of the usability of a learning object adopted by this paper - "Usability in e-Learning is defined by the ability of a learning object to support or enable […] a very particular concrete cognitive goal.” So I'm uncomfortable with some of the details of the definition of reusability offered: "the aggregation of the adequacy of the learning object to each of its possible contexts of use, multiplied by the number of those contexts." More...