In: Psychology
What is the Intelligence Quotient (IQ)? How do psychologists classify people on the basis of their scores.
IQ refers to mental age divided by chronological age, multipled by 100.
IQ=MA/CA×100
•William stern, a German psychologists, devised the concept of intelligence quotient.
• when MA=CA,IA=100
• If MA>CA, IQ>100
• If MA
• People with an IQ scores in the range of 90- 110 have normal intelligence.
• People with an IQ below 70 are suspected to have mental retardation.
• People with an IQ above 130 are considered to have exceptional talents.
IQ refers to mental age divided by chronological age, and multiplied by 100.