The kind of support that is provided in paragraphs 3 and 4 is Hypothetical and real-life examples.
Mayer decided to include this type of support to provide explanations for why we use personal intelligence in the ways that we do.
The type of support used and the reasons for them
In paragraphs 3 and 4, Meyer cited several hypothetical examples to drive home his claim that personal intelligence helps us to draw conclusions about persons and things.
The passage concludes that personal intelligence is a complex cognitive ability that is influenced by a variety of factors, including our own experiences and biases. Also, the passage concludes that personal intelligence can be both helpful and harmful, depending on how we use it.