1. Binet was asked to design a test to decide who needed remedial help with education.
2. American psychologists claimed that IQ was innate and that different ethnic groups had different levels of IQ
3. They had got better education and nutrition and their parents were also better educated.
4. An IQ test measures abstract logic
5. Polyicians exploited the fact that it was a scientific test.
6. Environmental conditions and education can change your IQ