Can you better describe what your asking?
Answer:
first American president, commander of the Continental Army, president of the Constitutional Convention, and gentleman planter.
Explanation:
Observing them or arranging the laboratory setting to something that can give aggression to the participants are a few ways in which researchers measure aggression in a laboratory setting.
A laboratory is a facility that provides controlled conditions in which scientific or technical research, experiments, and measurements can be conducted. Testing services are provided in a variety of settings, including clinics, clinics, hospitals, and regional and national referral centers.
A laboratory is a building or room where scientific experiments, analyses, and research are conducted. A school, college, or university laboratory is a room with scientific equipment where students are taught scientific subjects such as chemistry.
Learn more about the laboratory here: brainly.com/question/2328085
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I believe it is Ethnocentrism.