RAAF training for incipient spin in the PC-9 (defined as two turns from application of pro-spin controls as I recall, and probably rightly so - the first couple were flopping about until the aircraft established itself in a 'proper' nose down spin) called for throttle idle and controls central, whereupon it would quickly recover.
Fully developed spin recovery was confirm idle, identify direction of spin (turn needle), apply and hold full opposite rudder with control column central until spin stopped, centralise rudder and recover from the dive.
Incipient spin training is useful in my opinion so that when we stuff something up (eg mishandled aeros), feel buffet and notice the onset of autorotation, the instinct is there to close throttle and centralise. Then if it develops into something more fully developed, the flight manual recovery for the aircraft in question is the next port of call.
So - incipient spin - close to stall, buffet, uncommanded roll - go for the incipient spin recovery.