The naming of ExtremeProgramming practices has varied over time and from person to person. In doing so, even the number of names has changed. Does this mean that ExtremeProgramming has changed? Not really. Mostly it's the way it's described that has changed, though the techniques are refined, as they should be, with time and experience.

Listed on page 54 in the White Book [0201616416] as:

Here, let's call them

(List cribbed from [http://xprogramming.com/ Ron Jeffries' site] )