Harriet Kirby, a fundraising manager at a women's rights organization, experienced a bad incident last year with the public relations manager of a banking company who had committed to sponsor a charity event. The bank backed out at the last minute. This year, when a renowned international bank executive showed interest in sponsoring the organization's upcoming annual event, Kirby rejected their participation. She felt that banks have a casual approach toward charity events and it is risky to involve them in the event. Which of the following best characterizes Kirby's decision?

Group of answer choices

self$-$serving bias

self$-$fulfilling prophecy

bandwagon effect

selective perception

cognitive dissonance