D tarrayt n teṣleḍt yettarran lwelha-is ɣer yimḍanen n yigemmaḍ ugar n tɣara-nsen; (Giordano et Jolibert, 2016) taṣleḍt tasnamkant tettaǧǧa-aɣ ad nezrew tiẓriyin d turdiwin. Anadi asmektan yettɛawan amnadi deg tallit i deg ara yili kra n ukatar aẓrayan yettwassnen yakan .Tazrewttasmektant deg tuget qlil anida ara aɣ-tessiweḍ ɣer yigemmaḍ yemqaraben,imi tessawaḍ-aɣ ɣer yigemmaḍ yemgaraden . ef waya ilaq fell-aɣ ad nexdem aserwes d umkemmel gar-asen2.