When Wendyâs sorority sisters discover that Wendy is a lesbian, they hold a secret meeting to decide if Wendy should still be allowed to pledge. A handful of the sisters vote "no." This is an example of:

Chen's research team randomly assigned some newborns and their mothers either to a breastfeeding promotion group (where breastfeeding was encouraged, but not required) or to a normal pediatric care group (where breastfeeding was neither encouraged nor discouraged). which research method did they use?

Federal courts have jurisdiction when a case involves what?

Quantitive data can be measured quantitatively