3 Questions
Which psychologist coined the term 'IQ'?
William Stern
What was the original method for calculating IQ?
Dividing mental age score by chronological age and multiplying by 100
What percentage of the population scores between IQ 85 and IQ 115?
66%
Study Notes
Intelligence Quotient (IQ)
- The term 'IQ' was coined by German psychologist William Stern in 1912.
- The original method for calculating IQ involved dividing the mental age by the chronological age, then multiplying by 100.
- Approximately 68% of the population scores between IQ 85 and IQ 115, which is considered the average range of intelligence.
Test your knowledge on IQ and its history with this quiz! Answer questions on the origins of the IQ score, its uses and limitations, and famous IQ tests and theorists. Challenge yourself and discover how much you really know about intelligence testing.
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