Public opinion poll was administered to 50 people before the election of president barack obama. polls taken before election night showed 50% of the people polled believed barack obama would be elected president. after the election results, the same people were asked if they believed barack obama would be elected president, and this time 75% of the people said yes. this may be an example of bias. a) transientb) hindsightc) egocentricd) stereotypical

correct option is b) hindsight

Explanation:

given data

before = 50 %

after = 75 %

solution

as we know that 50 % of people say yes for elected President as Barack Obama and after result same people say 75 %

so we can say that this is an example of hindsight because hindsight bias is  that type of they pre disposition to assert outcome and event simply predictable already once happen like sporting and political event or prophecies

we can also say here it is overestimation of one is capability to foresee outcome

and we have given that after result outcome of the election more number of  people agree that they also predict correct

so here we can say that correct option is b) hindsight

answer; engram;