Decide below if the following statement is TRUE or FALSE: When evaluating a political candidate, one of the most important factors to consider is what people are saying on the street and on social media. TRUE
FALSE

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?