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Selective Exposure
Another method to reduce cognitive dissonance is through Selective Exposure Theory. This theory has been discussed since the early days of Festinger's discovery of cognitive dissonance. He noticed that people would selectively expose themselves to some media over others; specifically, they would avoid dissonant messages and prefer consonant messaged. Through selective exposure, people actively (and selectively) choose what to watch, view, or read that fit to their current state of mind, mood or beliefs. In other words, consumers select attitude-consistent information and avoid attitude-challenging information. This can be applied to media, news, music, and any other messaging channel. The idea is, choosing something that is in opposition to how you feel or believe in will render cognitive dissonance.

For example, a study was done in an elderly home in 1992 on the loneliest residents -- those that did not have family or frequent visitors. The residents were shown a series of documentaries: three that featured a "very happy, successful elderly person", and three that featured an "unhappy, lonely elderly person." After watching the documentaries, the residents indicated they preferred the media featuring the unhappy, lonely person over the happy person. This can be attested to them feeling lonely, and experience cognitive dissonance watching somebody their age feeling happy and being successful. This study explains how people select media that aligns with their mood, as in selectively exposing themselves to people and experiences they are already experiencing. It is more comfortable to see a movie about a character that is similar to you than to watch one about someone who is your age who is more successful than you.

Another example to note is how people mostly consume media that aligns with their political views. In a study done in 2015, participants were shown “attitudinally consistent, challenging, or politically balanced online news.” Results showed that the participants trusted attitude-consistent news the most out of all the others, regardless of the source. It is evident that the participants actively selected media that aligns with their beliefs rather than opposing media.