Quickly now, before things kick-off:
Run on over here
, and check out the Wilhelm scream theory of Republican debate-bots.
The idea is that once you become conscious of the Gingrich GOPAC system, you start seeing it everywhere (like the now semi-famous sound effect scream used so extensively).
Palin will answer some questions by repeating the words in the question in different order, answer some by spraying buzzwords in no particular order, ignore some and tell stories that "connect" to "average voters" and use a few stock phrases ("Well, Gwen, I think the American people....") to segue from others into some set speeches.
She will do it more awkwardly, and more obviously, than more seasoned pros, because it's unusual for someone with so little experience at it to be thrust onto the national stage. As the linked article points out, usually Republican politicians do what Palin is doing now at the local level, where it doesn't get much scrutiny. By the time they're on national TV, it's seamless and all but invisible.