Nazi concentration camps were work camps that were run by Hitlers SS police. These camps were set up to hold prisoners while torturing them or using them for work. These are not the same as extermination camps which were used for the mass killings of Jews.
Most prisoners were anything labeled "undesirables" such as German Communists, Socialists, Social Democrats, Jehovah's Witnesses, homosexuals, and persons accused of 'asocial' or socially 'deviant' behavior by the Germans (criminals), Jews, Soviets, disabled people, and clergymen.
After the surprising finding, the researcher decides to conduct the same study in her lab which is an example of experimental research.
Experimental research is research that involves two sets of variables. One of the sets of the variable is constant which is further used to determine the difference with the second set of variables.
Experimental research is based on a scientific research design that tests a hypothesis by experimentation. It uses one or more independent variables on one or more dependent variables.
Experimental research is conducted over time in a controlled environment. In the question, the researcher is conducting the research in her lab which is a controlled environment. It is also given in the question that the study she has heard about was conducted in a month.
Therefore, the researcher will replicate the same study through experimental research.
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B. Sacrifice isn't necessary to achieve group goals.
