Which do you prefer? Short stories? Or full-length novels?
While I enjoy both, I prefer full length novels. A full length novel’s story arcs get much more build-up and much more pay-off, so I find it much more enjoyable.
There are, of course, stories that are better suited to short stories rather than novels. I occasionally find that mysteries better lend themselves to short stories, since it gives the audience less time to actually figure it out and more of an opportunity to reread with the solution in mind. (When you first read a mystery, you are the detective. When you read it afterward, you are the criminal.)
But a novel is fully fleshed out. Where a short story can only hint, a novel can show. Where we are told about a character’s traits, we have the opportunity to see them in a novel. (In a best case scenario, of course. I’ve read plenty of novels where I’m told about how strong a character is and all I can see is how useless they are.) Short stories, like any medium, have their advantages and disadvantages, but I honestly prefer novels.