Normal people are about 90 to 1 10, and children and adults can't draw an equal sign. Add age to IQ test:

1. Intelligence refers to the ability to seek correct answers from factual data.

Babies learn in their mothers. From the beginning of pregnancy to the age of four, the intellectual development is about 40%, and at the age of eight, it is about 80%.

2. Common intelligence tests: Bissie scale and Wechsler intelligence scale.

3. IQ can be calculated in two ways:

Specific IQ: IQ) = psychological age/all age * 100.

Deviated IQ: IQ-average IQ of this age group/standard deviation of IQ of this age group * 15 (standard deviation of questions)+100 (average number of questions).