If she is joining them, and becoming involved, then the type of research would be called participant observation.
Some organisms are called produces because they produce foods for other organisms
In<span> his classic ( the original study of obedience, Milgram found that 65% (two-thirds) </span><span> of subjects would shock an innocent person to what they believed was 450 volts.
This study disturbingly concludes that Human will have the tendency to follow an authoritative figure including killing another human being. (all participants know that 450 volts could cause death)</span>
Answer:
I think it's "They have a time-proven way of doing things."
