Psychological Termin was first classified on the basis of intelligence.
A graph of the classification of intelligence in a population is called a "general probability graph".
According to this graph, most of the individuals in the society (about 50 per cent) have normal intelligence.
According to this graph, the proportion of individuals with more or less normal intelligence is less than normal.
According to this graph, the proportion of mentally retarded and brightly intelligent individuals is very low (approximately 2.2 per cent) in the society.
Different levels of intelligence are shown based on intelligence.
What is the level of intelligence in the community? To find out, psychologists have conducted several studies using intelligence tests.
A general probability graph has been prepared based on the results of these studies.
This graph is in the "bell" shaped, which is as follows.
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