Billy Ray Cyprus is impressed that his subordinate, Billy Bob Thrompton, attended his alma mater and tends to award Billy Bob higher ratings than otherwise justified. This is an example of which of the following?
a. Zeigarnic effect
b. Constant bias
c. Most-recent-performance error
d. Halo effect

D. Halo effect

Explanation:

Halo effect is the cognitive bias of how we perceive and judge a person based on the previous impression we have had about such person. These impressions could arise from observable traits such as beauty and attractiveness. Halo effect influences how you form opinions or make informed decisions about others. It can have negative consequences of passing ill-informed judgments about an individual based on unrelated traits