Jill is trying to decide between a red prom dress that she really likes and a black prom dress that she also really likes. Even though she likes both dresses about the same, she decides to choose the red dress. Now she feels the red dress was actually a better choice and that it looks much better on her than the black dress. Which of the following ideas best accounts for her change in opinion?
◦ Attitude accessibility
◦ Post-decisional dissonance
◦ Attitude strength
◦ Attitude specificity