thE othEr Aim oF psyChologiCAl rEsEArCh is to_____.
A．FinD wAys in whiCh A pArtiCulAr joB CAn BEst BE ACComplishED with A mAximum oF EFFort AnD A minimum oF inDiviDuAl sAtisFACtion
B．plACE primAry EmphAsis on inCrEAsED sAlAriEs
C．lEssEn thE EFFort involvED in A givEn joB inCluDE A DEtAilED stuDy oF thE motions
D．promotE EFFiCiEnt working ConDitions AnD tEChniquEs, As wEll As inDiviDuAl joB sAtisFACtion