An ELT Glossary : Mistakes

  • Definition : An innacuracy in speech or writing made despite knowledge of the correct form or rules, and caused by eg tiredness, anxiety or the demands of  spontaneous communication (eg the constraints of real-time processing). 
  • Example :  the CPE student who leaves off the third person -s.

  • Contrasts with an error, which is an inaccuracy made because the learner does not yet know the correct rule/form.A learner who makes a mistake will be able to self-correct, whereas a learner who makes an error will not.