Integrated Behavioral Therapy for Treating Children With Selective Mutism

Inclusion Criteria: * Diagnosis of selective mutism * Score of less than 60 on the Childrens Global Assessment Scale (CGAS) * Has lived continuously with a primary caretaker who has known the child well for at least 6 months prior to study entry and is legally able to sign the consent form Exclusion Criteria: * Diagnosis of any of the following psychiatric disorders: bipolar disorder, pervasive developmental disorder (e.g., Asperger's, autism), mental retardation, or psychotic disorder * Possibility that a communication disorder may account for the selective mutism * Current use of or a clinical indication for use of psychotropic medication (youth entering study on a stable psychostimulant regimen for ADHD will not be excluded) * History of unsuccessful treatment with cognitive behavioral therapy for anxiety that occurred within 2 years prior to study entry * Any major neurological disorder or major medical illness that may prevent study participation * Child and/or parent is not English-speaking and is unable to complete measures or treatment without the assistance of a dedicated translator * Child is not currently attending school (including pre-school), day camp, or other structured daily activity, or has missed more than 50% of school days in the 2 months prior to study entry * Child's primary teacher is unwilling or unable to participate in the treatment plan