Personality-trait: IQ

IQ measures an individual’s ability to understand and respond to the challenges that life throws. IQ, and other ability tests that correlate with it (e.g. spatial reasoning, verbal reasoning), is used extensively both in educational settings, to distinguish individuals with a high ability from those who will need more help, and work settings, to hire and promote employees. It is the best predictor of job success.

Example question: Which of the patterns completes the picture?