According to a recent study by Andreas HÃ¶fer, experienced pair programmers write better code than novice pair programmers. This is in line with a study by Hannay et al. from last year where the researchers found that experience was a key performance predictor in pair programming.
It is interesting to note that skill and experience is shown again and again to beat other factors such as youth or personality. What does this imply for the way you manage your talents?