Treatment of Selective Mutism: A Best-Evidence Synthesis.

Presents systematic analysis of the major treatment approaches used for selective mutism. Based on nonparametric statistical tests of effect sizes, major findings include the following: treatment of selective mutism is more effective than no treatment; behaviorally oriented treatment approaches are more effective than no treatment; and no differential effectiveness was found between two common models of behavior therapy. (Contains 67 references and 5 tables.) (GCP)