IQ scores form a normal distribution with an average of 100, and roughly two thirds of people score between 85 and 115. Ben, a Year 9 pupil, scores 130 on a standardised IQ test.
Explain what Ben's score shows about his performance on the test.
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.