Mariano is interested in how the diversity of a group affects its performance. if mariano is a social psychologist, it is unlikely that he will

It is unlikely that he will focus more on the details of recent Supreme Court rulings regarding affirmative action than examining the actual behavior of groups. Social psyhcologist tend to be much more interested in oberving how the actions of certain members of a social group would affect another members in that social group.

What document are you referring to

He was an adventurer and writer who established a colony near roanoke island, in present day north coralina.