Paul did poorly because he is unmotivated to do well in school.
The fundamental attribution error, also known as correspondence bias or the over-attribution effect, is the propensity for individuals to place an excessive emphasis on dispositional or personality-based explanations for behaviors seen in others while placing an insufficient emphasis on situational explanations.
To put it another way, people have a cognitive bias to believe that a person's actions are determined more by the "type" of person that person is than by the social and environmental factors that affect them.
Learn more about fundamental attribution errors here:
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