A student researching psychology has taken notes:

• Cognitive biases are systematic errors in thinking • Confirmation bias leads people to seek supporting evidence • Anchoring bias makes first information disproportionately influential • These biases evolved as mental shortcuts • Awareness of biases can help reduce their effects

9
reading

The student wants to explain why humans have cognitive biases.

A

Confirmation bias leads people to seek evidence supporting existing beliefs.

B

Humans have cognitive biases because they evolved as efficient mental shortcuts—though awareness of biases like confirmation bias and anchoring can help reduce their effects.

C

Anchoring bias makes first-received information disproportionately influential.

D

Awareness of cognitive biases can help reduce their effects on thinking.

Correct Answer: B

Choice B. Evolved as shortcuts explains why humans have biases.