What does CMC stand for?

These are some possitive effects of using CMC in a language learning class:

Learners produce more interactive discourse and more new words in synchronous CMC than in asynchronous CMC.

Learners tend to produce syntactically more complex sentences in synchronous CMC compared to asynchronous CMC.

What does the author mean by transferability?

According to Kost's study, what method is better in terms of writing and speaking skills development?

The author concludes that only by using CMC in the classroom is successful to develop oral skills effectively.

__________ CMC is closer to speaking

_________ CMC is closer to writing.

Mention the four major features used to measure oral proficiency.