Originally Posted by Baron von BeeGee
Close...it doesn't actually depend on whether or not you are using LME (or DME), it depends on whether or not you are doing a full wort boil or a concentrated wort boil (which many extract brewers do). You will get less hop utilization in a concentrated boil due to the higher gravity of the wort. The adjustment you want to make is to use 15-20% more bittering hops while leaving the flavor and aroma hops alone.
You forgot to say it in haiku form.