Final answer:
Intelligence is what is measured by intelligence tests. In psychology, intelligence is a complex and multifaceted concept that has been defined and measured in different ways over time.
Step-by-step explanation:
In psychology, intelligence is a complex and multifaceted concept that has been defined and measured in different ways over time. One definition of intelligence, as famously stated by Edwin Boring, is that 'Intelligence is what is measured by intelligence tests.'
Intelligence tests, such as the IQ test, have been used for over a century to assess an individual's cognitive abilities and problem-solving skills. These tests aim to measure various aspects of intelligence, including verbal, nonverbal, and abstract reasoning abilities. However, it is important to note that intelligence tests are not the only way to understand and evaluate intelligence, as there are other theories and perspectives on what constitutes intelligence.