Which concept below explains Dylan's conclusion?

Locus of causation refers to the perceived source of outcomes, whether they are attributed to internal factors (such as personal effort) or external factors (such as luck or circumstances). While this concept can influence decision-making, it does not specifically address how generalized assumptions about groups shape conclusions, which is the essence of Dylan's reasoning.

Attribution error occurs when individuals overemphasize personal characteristics and underestimate situational factors when explaining others' behaviors. Although this can relate to misjudgment, it does not directly encompass the broad generalizations characteristic of stereotyping that Dylan's conclusion exemplifies.

Self-serving bias is the tendency to attribute positive outcomes to one's own actions while blaming negative outcomes on external factors. This bias pertains more to individual self-perception rather than the generalization of traits to others, which does not align with the nature of Dylan's conclusion based on stereotypes.