which of the following is true of the primacy effect?

A.) it refers to a persons overestimation of the degree to which everybody else thinks or acts the way he or she does

B.) it refers to an individuals psychological discomfort caused by having two inconsistent thoughts

C.) it is the tendency of an individual who observes an emergency to help less when other people are present than when the observer is alone

D.) it is the tendency of people to attend to and remember what they learned first