▁" working ▁role ▁better ▁fit ▁for ▁their ▁product ive ▁capac ities ", ▁which ▁according ▁to ▁Taylor ▁effectively ▁led ▁the ▁workers ▁to ▁work ▁harder . ▁According ▁to ▁Taylor , ▁the ▁workers ▁who ▁were ▁given ▁yellow ▁notes ▁were ▁not ▁immediately ▁re deploy ed . ▁Instead , ▁Taylor ▁writes ▁that ▁a ▁" sk illed ▁teacher " ▁were ▁sent ▁to ▁teach ▁the ▁workers ▁how ▁to ▁do ▁the ▁work ▁properly . ▁The ▁teachers ▁job ▁was ▁however ▁not ▁only ▁to ▁" te ach " ▁the ▁workers ▁how ▁to ▁work ▁more ▁effectively , ▁but ▁also ▁to ▁observe ▁them ▁and ▁their ▁working ▁capacity . ▁Besides ▁this ▁teacher , ▁Taylor ▁also ▁describes ▁that ▁the ▁workers ▁were ▁observed ▁by ▁others , ▁such ▁as ▁administr ators , ▁man agers , ▁etc . ▁ ▁Bi op ower ▁▁ ▁With ▁" bi op ower " ▁Fou ca ult ▁refers ▁to ▁power ▁over ▁b ios ▁( life ) ▁– ▁power ▁over ▁populations . ▁Bi op ower ▁primarily ▁rest s ▁on ▁norm s ▁which ▁are ▁internal ized ▁by ▁people , ▁rather ▁than ▁external ▁force . ▁It ▁encourag es , ▁strength ens , ▁controls , ▁obser ves , ▁optim izes ▁and ▁organ ize ▁the ▁forces ▁below ▁it . ▁Fou ca ult ▁has ▁sometimes ▁described ▁bi op ower ▁as ▁separate ▁from ▁discipl inary ▁power , ▁but ▁at ▁other ▁times ▁he ▁has ▁described ▁discipl inary ▁power ▁as ▁an ▁expression ▁of ▁bi op ower . ▁Bi op ower ▁can ▁use ▁discipl inary ▁techniques , ▁but ▁in ▁contrast ▁to ▁discipl inary ▁power ▁its ▁target ▁is ▁populations ▁rather ▁than ▁individuals . ▁ ▁Bi op