An example cited in the Belmont Report (The National Commission 1979) stated that "During the 19th and early 20th centuries the burdens of serving as research subjects fell largely upon poor ward patients, while the benefits of improved medical care flowed primarily to private patients." This is an example of a violation of which Belmont principle?

It shows that the justice principle was violated.

In conclusion, the scenario is not fair thereby violating the principle of justice. Everyone is equal and no one is above the other person.

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The answer is Justice principle

Explanation:

The Belmont Report is a document that sets ethical standards for research based on three main principles. One of these is the justice principle, this proposes the benefits or positive aspects derived from research, as well as, negative ones should be equally distributed. This means beneficial findings should benefit all the population and researchers cannot take advantage of vulnerable groups.

This principle is being violated in the situation presented because the burdens and benefits are not equally distributed. Indeed, in this situation vulnerable populations such as poor patients ned to serve as participants while wealthy patients benefit, which shows a lack of equality in research or unjustice.