How to Trade Short Term Intraday Stocks

I'd probably be trading about 8, 10 names on any given day and some of those might be something I'm swinging for a few days or a couple of weeks. So how are you deciding if a trade is going to be just a short term intraday trade or something that you might swing for a couple of days? Most of the time when I put the trade on I already know if this is something I want to swing, it's setting up as a swing trade in a different timeframe. For example, in a 15 minute chart, I don't want to be in a chart but in a one hour chart rather, I already know that this is something that if it keeps on