Answer: (1) Retrospective voting
Step-by-step explanation:
The retrospective voting is one of the type of voting model that basically represent the democracy and also performing the specific performance of the party.
The retrospective voting is basically refers to the form of the election in which the policies of the election part are evaluated on the basis of retrospective form. The retrospective voting is basically investigating on the basis of voting behavior and the performance.
According to the given question, the Selina is now deciding to vote the republic candidate that is Barbara Kean and the retrospective voting is the model that best illustrating the given voting behavior.
Therefore, Option (1) is correct answer.