Brown, J. D. 1988. Understanding Research in Second Language Learning: A Teacher’s Guide to Statistics and Research Design. Cambridge: Cambridge University Press.
En investigación, proba de fiabilidade que consiste en aplicar un mesmo test en dous momentos distintos.
Entradas relacionadas:
Bibliografía:
Fulcher, G. 2007. Language Testing and Assessment. London, New York: Routledge.