Jamie and Lynn Were Sure That They Had Answered Most

question 117

Multiple Choice

Jamie and Lynn were sure that they had answered most of the multiple-choice questions correctly because "the questions required only common sense." However,they each scored less than 60% on the exam.This best illustrates

• A) a confounding variable.
• B) random assignment.
• C) hindsight bias.
• D) overconfidence.

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Definitions:

Biological Parents

The individuals from whom a person inherits their genetic material, typically referred to as the mother and father.

Stubbornness

A personality trait characterized by a refusal to change one’s thoughts, behaviors, or actions despite external stimuli suggesting otherwise.

Genetic Influence

The contribution of genes inherited from parents to the physical and behavioral characteristics of an individual.

Identical Twins

Twins who develop from a single fertilized egg that splits and forms two embryos, sharing 100% of their DNA.