During a community study, Sam, aged 16, completes a standardised IQ test and scores 90. The average score for people Sam's age is 100, and roughly two thirds of people in that age group score between 85 and 115.
State whether Sam's score is above or below the average for people Sam's age.
Using the range of scores given, state whether Sam's score is typical for people Sam's 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.