This study uses as data parts of the material gathered within the Curriculum Diffusion Research Project, a British project which examined the diffusion of new science curricula. The concept and context of curriculum diffusion as a new field of enquiry in Great Britain is discussed, together with the problems associated with its study; special…

This study describes rules of code-switching (choice between languages) in four six-year-old Spanish/English bilinguals in a school setting, to show that bilingualism is a sociolinguistic competency. Data included 306 episodes of situational code-switches and 64 episodes of conversational code-switches. The children consistently applied the…