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First, we should define 'research.' There is primary research, where experiments are conducted, results analyzed and published. Then there is secondary research, such as an internet search. This might be Google Scholar for peer-reviewed literature, or search of forums for information that tends to be anecdotal in nature (and I'm not knocking anecdotes - the basis for many peer-reviewed works examines observations made by hobbyists. Early reports of blue light inducing coral coloration comes to mind.) Since many (likely most) hobbyists don't have the resources for primary research, the internet is a good option. But caveat emptor.
Primary means you did it yourself. Secondary means you read someone else's work.