Studies have found that, after three days, the viewer stores only 10-20% of written or spoken information but about 65% of visual information.
na ebe nchekwa - Omumu ihe achoputala na, mgbe ụbọchị atọ gasịrị, onye ọrụ jidere naanị 10-20% nke ederede ederede ma ọ bụ kwuo okwu mana ihe fọrọ nke nta ka ọ bụrụ 65% nke ozi anya.