Selective Mutism (SM), is an anxiety disorder exhibited by the failure of the individual to communicate effectively and speak in social settings. For the teacher not aware of this disorder, the problem of nonverbalization causes a problem not only for the student academically but for the teacher try to impart knowledge to the student.
(Harwood, & Bork, 2011). Selective Mutism children do not speak in the school setting; however this disorder is not exhibited in the home, and there is no language deficiency, Low