Situational attribution refers to external influences or environmental factors affecting a person's actions or speech. Dispositional attribution refers to actions resulting from a person's internal characteristics like their education or what they learned from parents.
The author describes two situations where their friend, a top student and prefect, responded differently. When controlling a noisy class at school, he slammed his book on the table and called more prefects for help while shouting. However, at the tuition center with similar noise, he calmly took down student details to call their parents rather than shout.
The author concludes their friend made different decisions due to situational factors - the cooler, cleaner tuition environment made him more calm and mature in his response compared to