Answer:
An observational study of an association between two variables.
Explanation:
In the given scenario, it is an observational study of an association between two variables. The variables being :
- Explanatory variable (independant variable / predictor variable) may explain or influence changes in a response variable.
- Response variable (dependant variable) measures an outcome of a study.
Observational study observes individuals and records variables but doesn't attempt to influence the response (does not impose a treatment). It allows the researcher to directly observed the behavior of inteest rather than rely on the subject's self-descriptions (Survey) thus allowing the researcher to study the subject in its natural environment, thus removing the potentiallybased effect of the unnatural laboratory setting on the subject's performance.
Answer:
d. the value of the services of the real estate agent
Explanation:
The value of real estate such as houses and lands are not considered in GDP calculations but their services such as the services of real estate agents and realtors are considered.
Answer:
Reasons for Dictators
Explanation: The depression in Europe have rise to the dictators in Spain, Italy, and Germany.