The Effectiveness of Dance Movement Therapy for Children and Adults with Williams Syndrome

INTERVENTION: Dance Movement Therapy Dance Movement Therapy No Interventions CONDITION: Williams Syndrome PRIMARY OUTCOME: Center of Gravity Sway, Hand Held Dynamometer(HHD), Timed Up and Go(TUG), Adult Behavior Checklist(ABCL), Child Behavior Checklist(CBCL), Teacher's Report Form(TRF), Manifest Anxiety Scale(MAS), Children's Manifest Anxiety Scale(CMAS) SECONDARY OUTCOME: Saliva Amylase INCLUSION CRITERIA: 1)People identified as Williams Syndrome age from 3 to 40 2)People identified as intellectual disorder age from 3 to 40