Final answer:
The cause of Caleb's lateness is attributed to his laziness, which is an example of a dispositional cause.
Step-by-step explanation:
The question is asking about the cause of Caleb's lateness. The statement suggests that his friends attribute the lateness to his laziness, which implies that they believe it is a dispositional cause. Dispositional causes refer to internal factors or personal qualities of an individual that influence their behavior. In this case, Caleb's friends believe that his laziness is the reason for his tardiness.