From Teflpedia

error v. attempt[edit]

The following was added to page top by an anonymous contributor. Although it expresses a perspective (see attempt) that may be useful to some teachers I feel it is not an accurate definition for mistake. I have moved it to the talk page for discussion. Roger (talk) 19:34, 18 April 2019 (UTC)

A mistake is a type of error made with language that the student ought to know; compare attempt which is an error made with language that is above the general level of the student.