Introduce the RQ within the first two pages of the Introduction, then go on to review relevant theoretical and research literature, and then restate/justify the RQ towards the end of the introduction and use this to lead in to the statement of hypotheses.
Artist(noun) one who practices some mechanic art or craft; an artisan. Artist(noun) one who professes and practices an art in which science and taste preside over the manual execution. Artist(noun) one who shows trained skill or rare taste in any manual art or occupation. Artist(noun) an artful person; a schemer.
In art, a medium is the material that artists use to create their art. It's that simple. Whatever a piece of art is made out of is its medium. The plural of medium is media. So, one piece of art can be made of one medium or several media. If you've ever been to an art museum or gallery, you've probably seen those little signs next to each piece that look something like this: