This article throws light upon the four levels of mental retardation in humans. The levels are: 1. Mild Mental Retardation 2. Moderate Retardation 3. Severe Retardation 4. Profound Mental Retardation. Level # 1. Mild Mental Retardation: About 90 per cent of the mentally retarded persons are found to belong to this category. They have I.Qs […]
4 Levels of Mental Retardation | Psychology
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