Linguistic hypercorrection occurs when a real or imagined grammatical rule is applied in an inappropriate context, so that an attempt to be "correct" leads to an incorrect result. It does not occur when a speaker follows "a natural speech instinct", according to Otto Jespersen and Robert J. Menner.
What is hyper correctness?
: of, relating to, or characterized by the production of a nonstandard linguistic form or construction on the basis of a false analogy (such as "badly" in "my eyes have gone badly")
What is social hypercorrection?
Hypercorrection (or hyperurbanism) is a sociolinguistic term, i.e. it refers to the. social function of certain linguistic phenomena, not to those phenomena them- selves.