Doomsday believers were certain aliens would save them from the great flood. When the flood didn't come, they doubled-down in ...

A s the psychologist Leon Festinger wrote in 1956, “A man with a conviction is a hard man to change. Tell him you disagree and he turns away. Show him facts or figures and he questions your sources.

The psychologist Leon Festinger came up with the concept in 1957. In his book “A Theory of Cognitive Dissonance,” Festinger proposed that two ideas can be consonant or dissonant.

The most famous study into doomsday mix-ups was published in a 1956 book by renowned psychologist Leon Festinger and his colleagues called When Prophecy Fails.

Cognitive dissonance first received scientific recognition in the mid-1950s when social psychologist Leon Festinger and two of his peers gained undercover entry into a small doomsday cult called ...

The term cognitive dissonance was coined by psychologist Leon Festinger in 1957. According to the American Psychological Association, he theorized that elements of knowledge, ...

American psychologist Leon Festinger coined the phrase and idea of cognitive dissonance in 1957. It became one of the most influential theories in social psychology.. To prove his theory, Festinger ...

We humans probably always have, though it wasn’t until the 1950s that the social psychologist Leon Festinger outlined its theory and named it. Since then it’s become one of the most ...

Leon Festinger formulated it into a theory (1957), suggesting that when you force yourself to do something that doesn't align with your core beliefs or values, you become unbalanced.

Cognitive dissonance theory, famously articulated by Leon Festinger in his 1956 book When Prophecy Fails, explains why people justify increasingly extreme behaviors to preserve a coherent identity.