The reader can tell from the article that

Experiment to investigate effect of medication on levels of stress in males and females. dependant variable?

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?

Nepal is the common garden of different caste ethnic groups language and culture briefly explain the statements