Answer: <em>Option (A) is correct.</em>
Explanation:
National Research Act was signed came into existence in 1974 thereby creating a Commission for the Protection of Subjects of Medical and Behavioral Study. They recognized several basic principles in accordance with research and pondered upon ways through which these principles can be followed.
The Tuskegee Study of Untreated Syphilis in African-American Male is known to be one of the most egregious and immoral clinical study, which was conducted in 1932 and so on by the State Health Service. The so called aim of this research was to examine the state of untreated syphilis; the subject in this study were given false hope that they'll receive free health care from the federal government.
Answer:
The answer is difference threshold.
Explanation:
Also called just-noticeable difference or least perceptible difference, the difference threshold is the degree of a stimulus that must be changed in order to be recognised.
For it to be considered a difference threshold, the difference must be identified at least 50% of the time.
Answer: When the mind is unbiased
Explanation: Making rational decisions requires one to be unbiased either as a result of religious, racial or gender influence. It also requires one to be in the right frame of mind at the time of making the decision. Emotional decisions could occur if one's judgment is influenced by religious, cultural or social inclination or sympathy towards a particular group. It could also stem from one's present state of mind at the time the judgment is passed, hence making one's judgment more of emotional than rational.
In other to make rational decisions one should be in the right frame of mind, free from external influences which could induce bias into one's decision.
I don’t really speak Spanish sorry about that brother