While interviewing Lia, Matthew nods his head and smiles whenever Lia responds with an answer that he likes. Matthew's behavior is an example of

The belmont principle of beneficence requires that: a. subjects derive individual benefit from study participation.b. potential benefits justify the risks of harm.c. the study makes a significant contribution to generalizable knowledge.d. risks are managed so that they are no > minimal.

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need more factual information than opinions.

Which regulatory agency attempts to prevent unfair business practices and consumer fraud?