Quote:
Originally Posted by oneofmanynameless
It's basically my understanding that for most skills the default assumption of a skill use is unrehearsed. That is to say: for dancing or performance or singing or musical instrument you would roll unpenalized if you're asked out of the blue to give a performance and you do. Most real people, even decent performers, can't reliably bust out performances without preparation. A professional performer might have a 12 skill, but take a lot of time practicing one particular piece in preparation to give a performance. And once they move on to the next performance their ability to deliver on the first performance will fade a bit, or a lot.
That's my understanding of how skills in GURPS compare with real life skill levels. Thus a cheerleader might have a 11 dance skill, but rarely mess up a performance, as a result of having it carefully choreographed and extensively practiced ahead of time. While Itzhak Perlman probably has a much much higher skill, in the 18+ range, because he can bust out recording worthy masterful performances without preparation.
Anyways, in that context, how would you handle rehearsing giving skill bonuses? How much time for a bonus? How big can the bonus get for one particular task? Etc.
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perhaps borrowing from time spent ?
No rehearsing at all give a -2 improvised penalty.
1 rehearsal session (or multiples sessions but in the past with another performance rehearsal in between) : no bonus/penalty.
2 rehearsal sessions gives +1,
4 rehearsal sessions gives +2,
8 rehearsal sessions gives +3,
15 rehearsal sessions gives +4,
and 30+ rehearsal sessions gives gives +5.
Don't forget to also make a complimentary
Group Performance roll for the coach, that give +2 for critical success, +1 for success, -1 for failure, or -2 for critical failure.