The Influence of Krashen’s "Natural Order Hypothesis" on SLA Research

"Natural Order Hypothesis",as an important component of Krashen’s SLA theories,has attracted great attention in SLA research field,at the same time;it has aroused many queries on its validity.By analyzing its theoretical basis,research methods and pointing out the reasonable findings of this hypothesis,it will be conducive for a better understanding of its influence on English research,teaching and learning