Ụlọ ihe ngosi nka nke ngwaahịa dara ada

Robert McMath - ọkachamara n'ịzụ ahịa - bu n'obi ịmepụta nchịkọta ntụaka nke ngwaahịa ndị ahịa ọhụrụ niile.

N'afọ ndị 1960, ọ malitere ịzụrụ na ichekwa otu mmalite ngwaahịa ọhụrụ ọ bụla ọ nwere ike nweta aka ya..

Ihe McMath echebaraghị echiche bụ na ọtụtụ ngwaahịa na-ada. Yabụ na mkpokọta ya bụ ngwaahịa na-adaba ule n'ahịa.

Nghọta na ọtụtụ ngwaahịa na-ada n'ikpeazụ kpụrụ ọrụ McMath. Nchịkọta ahụ n'onwe ya- Nke GfK Custom Research North America nwe ugbu a - nke ndị na-emepụta ngwaahịa na-achọkarị ịmụta ihe kacha mma na ọdịda gara aga..

Isi mmalite: Onye nche, 16 June 2012

Ebipụtara: ndị editọ IVBM