nalysisHypothesis(CAH)SuchasFries'sslot-fillergrammar(1952),theCAH,uratelythetwolanguageinquestion,andtomatchthosetwodescriptionsagainsteachothertodeterminevalidcontrasts,ordifference.ponents,andthatlanguagelearningcouldbedescribedastheacquisitionofallofthesediscreteunits.TheContrastiveAnalysisHypothesis(CAH)monlyobserveinsecondlanguagelearnersaplethoraoferrorsattributabletothenegativetransferofthenativelanguagetothetargetlanguage.esfrom?Howdopeopleinterpret“interfering”elementsoflearningwithhumanlearningtheories?Nointerferencecouldbepredictd,nodifficultywouldbeexperiencedsinceonecouldtransferpositivelyallotheritemsinalanguage.HumanlearningtheoriesTheContrastiveAnalysisHypothesis(CAH)Thelogicalconclusionwasthat:ingofthedifferencesbetweenthetwolinguisticsystems--thenativeandtargetlanguages.