Answer:
c. Observational studies have both independent and dependent variables.
d. Observational studies can be used to test hypothesis.
Explanation:
Observational studies are ones in which a researcher makes observations about his thoughts and views. He observes the risk and other effects before actual test takes place. This is usually the initial phase of research where observations are made for suitability of certain things that are to be researched. There is initial feasibility test conducted to identify whether the further research process is beneficial or not.
The students in Puerto Rico often reached the schools they are in through walking. So, the answer to the question above is letter A. They do this often as some of the schools are accessible this way. It is also said that walking around towns in Puerto Rico is quite safe.
Answer:
Explanation:
I could hear the river and it seemed to be angry.
Answer:
the answer is D hope this helps
Explanation:
Answer:
Quid pro quo harassment
Explanation:
Quid pro quo harassment is a type of harassment in the workplace that requires the harassed person(employee or potential employee) to offer something(sex) to get an appointment(in the case where the person is yet to be employed) or get promoted to a higher role( in the case where a person is employed already in the organization) in the organization.