I find that recirculation is very important in batch sparging. Many people might say that it's only necessary to recirculate maybe a quart or so, but I find that recirculating the wort several gallons worth helps. Stirring may also do the same thing, but I kind of like the idea of "fly" sparging while also batch sparging.
My process for batch sparging is like this:
1. drain mash tun.
2. add 1st round of sparge water (I sparge 2 times generally)
3. Mix and stir like crazy for about 2-4 minutes
4. recirculate about 1/2 a gallon by pouring it slowly over the grain bed trying not to disturb the area around where the water drains.
5. repeat about 5 times.
6. drain completely
7. Repeat steps 2-6 with second round of sparge water.