A patronym is a part of a name based off the name of one's dad, grandpa, or male ancestor.
No, it does not according to the study. the study states it is just a placebo effect (it works because you expect it to.)
I would say the correct answer is <span>C. The author doesn't use any facts to support such a claim, so it can't be proven. When making this kind of claim, one has to support it with facts, e.g. artists make this or that percent of their income on concerts and commercials, which clearly proves that they don't depend on the money from CDs etc. The options A and B are not correct because they rely on "everyone knows", which is not true, and is also not supported with facts. The D option isn't correct because one doesn't need to know every artist personally to be able to make a claim based on facts.</span>
