ETS inopa gadziriro yekugadzirira inonzi PowerPrep, iyo ine miedzo miviri yekudzidzira yemibvunzo yakasiya basa, pamwe nemimwe mibvunzo yekudzidzira uye yekuongorora. Sezvo software yacho ichidzokorora zvese bvunzo bvunzo uye mibvunzo yakashandiswa, zvinogona kubatsira kufanotaura zvibodzwa zveGRE. ETS haibvumidze mibvunzo yavo yapfuura kune chero imwe kambani, ichivaita ivo chete sosi yepamutemo yakasiya basa. ETS yaishandiswa kuburitsa "BIG BOOK" yaive nemibvunzo yakati wandei yeGRE chaiyo; zvisinei, kuburitswa uku kwakasiiwa. Makambani akati wandei anopa makosi, mabhuku, uye zvimwe zvisiri zvepamutemo zvekugadzirira. Mubvunzo: Ndezvipi zvinogadzirwa nemakambani akasiyana?
makosi, mabhuku, nezvimwe zvokushandisa zvokugadzirira zvisina kurongwa