Answer:
Downward and Upward Style-Shifting
Explanation:
Style-shifting refers to a language style when the speaker change their speech pattern to suit the individual they are speaking to - which can apply to social and cultural dimensions, such as age and the relationship between speakers.
We can clearly see this happening in Jose when he switches his speaking style between his professors (more formal, which is an Upward style-shifting) and between his friends (less formal, which is a Downward style-shifting).