In Ellis (1997) there can be found a long discussion about Interlanguage. Taken into consideration the concepts of Interlanguage, as well as some language learning theories related to it, complete the excerpts below with the right title:

I. - The positive or negative influence that the mother language exerts over the acquisition of a second language.

II. - Results when learners fail to acculturate to the target- language group, when they are unable or unwilling to adapt to a new culture. The main reason for failing is social distance.

III. - A number of general strategies which children use to extract and segment linguistic information from the language they hear. Provide a simple and attractive way of accounting for the properties of interlanguage.

IV. - Language learning is like any other kind of learning in that it involves habit formation. It takes place when learners have the opportunity to practice making the correct response to a given stimulus.

V. - The human mind is equipped with a faculty for learning languages separate from the faculties responsible for other kinds of cognitive activity.

The right order for the titles is: