20 What method do linguists use to rate language competence? 2011-09-22T16:50:36.933

18 What makes a non-native English speaker sound foreign? 2011-09-24T12:31:39.207

12 Is there an equivalent to the Flesch Kincaid test for measuring quality and understandability of speech? 2011-12-22T19:24:24.400

1 What metrics can be used to rate the complexity of an english sentence? 2014-08-14T12:00:06.950

0 Does your dominant language proficiency determine the degree of possible proficiency in L2? 2014-07-25T22:30:44.177

0 Better fluency in second language than native. 2015-11-16T13:55:38.790