title: Statistical problems with small sample size.
authors: L
authors: L
authors: Baer
authors: D K
authors: DK
authors: Ahern
mesh_terms: D001321:Autistic Disorder / Q000175:diagnosis*; D002552:Cerebral Ventricles / Q000033:anatomy & histology*; D003627:Data Interpretation, Statistical; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000706:statistics & numerical data*; D012107:Research Design / Q000706:statistics & numerical data