Carmella believes her assistant, Lian, is incompetent. She notices only what Lian does wrong while ignoring the above average quality of most of her work. This exemplifies____bias.

In scenarios whereby an individual gives more credence to the his or her existing belief while failing to give consideration to happenings or possibilities which may say otherwise. We might see this a an act of being rigid on a certain piece of information or belief to the extent than one dispels all possible scenarios which may prove the otherwise to the belief. In the scenario above, Carmellas existing belief thatbtge inability to deliver at work is only based in incompetence of the worker while filing to examine the possibility whereby the tasks being dished out to the worker might be difficult.