The reality are subjected to different and unexpected factors which are not present in a control environment, as a laboratory. Not only, the introduction of the study might change the behavior of the subject as well.
As explained by Kurt Lewin: “Experimentation in the laboratory occurs, socially speaking, on an island quite isolated from the life of society” (Lewin, 1944, p. 286).
Let's take a brief example. A group of scientists wants to test the generosity of people, the experiment once conducted in a laboratory might result in a higher generosity actions than in real life. Why? Because of the social pressure. In order to keep the natural behavior of the subjects in a laboratory, a significant number of factors have to be taken in consideration. Therefore, in such cases, the experiments outside a laboratory might result in more reliable data.
Thier economy was called the ancient command. Meaning distribution was based on land after every inundation was based on.
Answer:
they disclude people from seeing the whole truth
Explanation:
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The war on cancer is the effort to find a cure to cancer by increased research to improve the understanding of cancer biology and the development of more effective cancer treatments, such as targeted drug therapies. The aim of such efforts is to eradicate cancer as a major cause of death. The national cancer institute spent some $90 billion on research treatments. Some 260 non profits in the United States have dedicated themselves to cancer more than any other disease.
