Which ethical principle in the Belmont requires researchers do no harm by maximizing the potential benefits to participants and minimizing the potential harm?

Juanita is from Argentina and her family has just moved to the United States

She has enrolled at a local high school but still wants to maintain her identity with her culture. This process is referred to as: a) integration. b) acculturation. c) separation. d) marginalization.

Control groups are typically used to address threats to

a) External validity b) Ecological validity c) Construct validity d) Internal validity