I can give you my take on it:
In command economies the quantity and more importantly the prize of the products is decided by the government and not by the people in production. As a result, people in the production can't have the motivation of producing more, as they won't benefit from it. So command economy encourages low motivation among the workers (i believe this was the case in the Eastern Block)
Answer:
respect for persons
Explanation:
Belmont Principle mentioned three basic ethical principles which are: Respect for Persons, Beneficence, and Justice.
However, principles of Respect to persons is the ethical position that, participants in research should be anonymous, and in a case where anonymity is not guaranteed such participants should be protected.
Hence, in this case, the use of a consent form showed that this is an example of the Belmont principle of RESPECT FOR PERSONS,
B. Fertile. i believe. no promises