Tendencias en estudios sobre Entornos Personales de Aprendizaje (Personal Learning Environments -PLE-)

This article presents a review of documents published in recent years. All publications are empirical researches about Personal Learning Environments (PLE). The analysis includes journal articles, chapters of books, doctoral theses and conference papers. The authors have established three topics about trends of research from the exam of theoretical and empirical documents. First, the article show how some empirical studies are grouped around the discourse of PLE, which is used for justify these researches. Second, the article shows three lines of PLE's significations; they are useful for categorising empirical researches. Finally, the authors analyze how the empirical researches have been oriented towards some objects of investigation, and then, the authors use some elements of PLE to categorizing the publications.