Am wakken i d-newwi awal daɣen ɣef tezrawin yemxallafen, igqedcen ɣef usentel-agi n tutlayt n yigardan, ger-asent tazrawt n “Behavioreste” i yexdem “ Skinner” akked “Pavloy”; iyxedmen timusniwin nsen ɣef yiɣarsiwen, iḍan d yiɣardayen, anda ṣṣawḍen ɣer tamawt i dyeqqaren d akken almad n tutlayt ɣer wegrud yettas-d s leḥris. Tella daɣen tezrawt “Cognitiviste” yexdem “Chomsky” akked “Piaget” id-yusan s yigemmaḍ ixulfen tazrawt yezrin, nna-d dakken anefali n tutlayt ɣer wegrud yettas-d mebla lḥeris fell-as ɣer welmad.