The idea of universal grammar as a set of rules in the human mind was postulated by:

Identify the odd statement regarding the 'interactional theory' of language: (i) Language is a resource for expressing meaning. (ii) Language is a means of expressing different communicative functions. (iii) Language is a means of interpersonal and social interaction. (iv) Language is primarily a means of establishing rigid social hierarchies.

Constructivism is a learning theory which posits that students: