Crystal has been used up to about fifty people, but beyond that size there is little evidence as to how you can use an adaptive approach, or even if such approaches work at all.

• 水晶已经被用于多达五十人的团队，但是如果超过这个大小，几乎没有证据表明你如何可以使用可适应性的方法，甚至无法知道这样的方法是否行得通。