A conservative seeks to avoid cognitive dissonance, and feels more comfortable listening to a conservative radio show than reading a liberal source of news. So most of his knowledge about politics comes from a conservative filter, which reinforces already held beliefs.
In a manifestation of tribal tendencies, a liberal overestimates the value of those news sources with which he agrees and watches regularly, and dismisses a conservative source without really taking the trouble to understand them because they represent an alien way of thinking to him.
A person places emphasis on previously occuring events, especially focusing on streaks, in order to wrongly estimate the probability of an event occuring.
A sports fan pays more than he can afford for tickets, travel, and housing to the Superbowl. Though it will take a year to pay off the credit card, he reasons that it was a good purchase, because he and his family will have some quality time together.
A New York City cab driver is deathly afraid of flying, and decides to drive to New Orleans for his vacation. (We have a 1 in 84 chance of dying in a vehicular accident, as compared to between a 1 in 5,000 and 1 in 20,000 chance of dying in an plane crash.)
A man is mugged. From that time on, he continues to read the newspaper, as was always his habit. He starts to notice articles on muggings, and concludes that the rate of mugging has increased, even though in reality it has remained consistent.
Someone has a favorite dish at a restaurant. One day there is a special that sounds especially delicious, but he orders his usual meal, believing that the special will not be as good.
A teacher has 3 or 4 students causing problems in a class, and reasons that his class is extremely disrespectful.
A New York Giants fan moves to Philadelphia, and begins to root for the Philadelphia Eagles in a subconscious desire to fit in.
John explains to Bill his view on gun control. Bill has a different view, but is not as passionate about the issue, and just listens politely. John assumes Bill agrees with him.
A husband and wife decide to go on an expensive vacation, forgoing the purchase of long term care insurance.
Someone buys an item discounted 30%, even though there is an equivalent item on the shelf that is $10 cheaper, even though it is not on sale.