LEADER 01403nam 2200385 450 001 9910703578703321 005 20150129103451.0 035 $a(CKB)5470000002431911 035 $a(OCoLC)900967563 035 $a(EXLCZ)995470000002431911 100 $a20150129j197911 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $2rdacontent 182 $2rdamedia 183 $2rdacarrier 200 12$aA comparison of expert ratings of task difficulty with an independent criterion /$fDavid L. Ryan-Jones 210 1$aAlexandria, Virginia :$cU.S. Army Research Institute for the Behavioral and Social Sciences,$dNovember 1979. 215 $a1 online resource (ix, 10 pages) 225 1 $aTechnical report ;$v418 300 $aTitle from title screen (viewed Jan. 14, 2015). 300 $a"ARI Field Unit, USAREUR." 300 $a"November 1979." 300 $a"Army project number 2Q762722A764." 320 $aIncludes bibliographical references (page 8). 606 $aJob analysis 615 0$aJob analysis. 700 $aRyan-Jones$b David L.$01389453 712 02$aU.S. Army Research Institute for the Behavioral and Social Sciences.$bARI Field Unit, USAREUR, 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910703578703321 996 $aA comparison of expert ratings of task difficulty with an independent criterion$93441014 997 $aUNINA