Figure 1From: Agreement between clinicians' and care givers' assessment of intelligence in Nigerian children with intellectual disability: 'ratio IQ' as a viable option in the absence of standardized 'deviance IQ' tests in sub-Saharan AfricaHistogram and normal curve distribution of IQ scores as assessed by the clinicians based on ICD - 10 criteria for mental retardation. ICDMIQ - IQ based on ICD - 10 criteria for mental retardation.Back to article page