Williams' Research, Concluded

Quality

Table 1 from Laurie Williams, Robert Kessler, Ward Cunningham, and Ron Jeffries, "Strengthening the Case for Pair Programming", IEEE Software, Volume 17, July 2000, pp. 19-25, and http://collaboration.csc.ncsu.edu/laurie/Papers/ieeeSoftware.PDF.

Percentage of Test Cases Passed

Individuals Pairs
Program 1 73.4 86.4
Program 2 78.1 88.6
Program 3 70.4 87.1
Program 4 78.1 94.4

The difference in quality levels is statistically significant to p < 0.01;
p is the probability that these results could occur by chance.

Satisfaction

In university study, surveyed the 41 programmers over 6 semesters

created May 16, 2003
last revised May 16, 2003
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