<u>Answer:
</u>
The study carried out by Dr. Xu is a randomized controlled study.
<u>Explanation:</u>
- For the sake of determination of how the results of the students change by doing certain changes to the examination pattern, Dr. Xu devised that the change is considerably evident.
- Dr. Xu provided and intervention in the process of exam in the form of guides which helped the students to score better later. Hence, from the standard of conduct of the study, it can be said to be a randomized controlled study.
Answer:
The on-line research strategies that raises the most concerns regarding ethical principle of respecting the autonomy of research subjects and the corresponding federal regulations requiring informed consent are: C) and D).
Explanation:
C) A researcher observing an open support group whithout announcing her presence is an alteration of both respecting the autonomy of the research subjets and also doesn´t consider the regulations requiring informed consent.
The subjects should know they are being subjtect of a research, to see if they agree or not. The researcher by not annouincing her is not respecting their autonomy to decide.
D) If a researcher poses to be a survivor from cancer when not, to be able to get closer to people that are; she is violating both the respecto for autonomy on the research subjects and also she is braking the informed consent.
<span>Perhaps the driver was taking an injured child to the hospital. If so, the fast, dangerous driving would have been caused by the situation, and therefore would not reveal anything about the driver’s personality. The observer would not necessarily form a negative impression of the driver.</span>
<span>A grievance that can not be resolved through the normal grievance process it moves to arbitration. In this process the parties appeal to a third party arbitrator who is empowered to make a decision binding on both parties. In most industrial cases, the arbitrator is randomly chosen from a list agreed upon by both parties. One benefit of deferring to an arbitrator is that it is less costly that resolving disputes through the judicial system.</span>