“…And indeed, this type of resource has a number of important advantages in education. Moreover, and because the hypertext format allows various navigation options and allows the students to explore and analyse different perspectives within which to solve a particular problem (Jonassen, 1992), the students can then develop a critical understanding of the domain (Beasley and Smyth, 2004;Berger and Topol, 2001) and identify the most appropriate solution in each particular situation. In these environments, the students themselves can decide where, when and for how long they wish to study (Hill, 2000), as well as the order, depth and speed with which they will explore the contents, on the basis of their capabilities, skills and needs (Beasley and Smyth, 2004).…”