Not exactly.
A survey study is a study of some topic that involves collecting data using survey methods. Such research would need to be designed properly to be effective and efficient.
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Descriptive research includes observational methods, case study methods, and survey methods. They are used to describe situations instead of make predictions about them.
Answer: Research :o)
It is an indication that there the clinical effect is negligible.
I would define the population of this study as biased. US doctors receive a huge amount of money from drug companies for prescribing their drugs and to not support them would reduce their incomes drastically.
The study of coins is called numismatics.