The bandwagon effect is a psychological phenomenon where individuals adopt certain behaviors, styles, or attitudes primarily because others are doing so. This cognitive bias indicates that public opinions or behaviors can shift as particular actions and beliefs gain popularity among the public. As more people believe in something, others are likely to 'hop on the bandwagon,' often disregarding the actual evidence behind those beliefs.
An example of the bandwagon effect in action is the rapid adoption of a particular fashion trend. When a celebrity is seen wearing a specific style, many people rush to buy similar attire, believing that it is fashionable simply because it's popular.
To overcome the bandwagon effect, individuals should consciously assess the merits of ideas or behaviors independently, rather than simply following the crowd. Critical thinking and seeking diverse perspectives can help mitigate this cognitive bias.