The Flaming Ho-oh said:EV training is a concept that was introduced in Gen 2 as a way of bolstering your pokemons stats if you understood how to use it, heres a detailed guide on what it is, how to use it, and quick ways to do it, from serebii:
http://www.serebii.net/games/evs.shtml
Okay, thanks a lot, that helped explain A LOT of things!