For each age group, standardised IQ scores are centred on 100. In the normal distribution, approximately two thirds of results lie between 85 and 115.
During a population survey, Priya, aged 27, obtains a score of 92 on a standardised IQ test.
Explain what this result indicates about Priya's position relative to other people her age.
30 exam-style questions on OCR GCSE Psychology 2.1 Key Concepts, covering 2.1.1 Stages of development, 2.1.2 Brain development and the nervous system, and 2.1.3 IQ tests as a measure of intelligence. Each one has a worked solution and a mark scheme showing where the marks go.