Posted in Psychology & Medicine

Pick A Card

A very common card trick involves the magician asking you to pick a card as he ripples through a deck of playing cards in front of you. Following a few misdirects, such as pretending to pick out the wrong card and burning it, the magician will reveal the card that you chose secretly in your head. How did they do this?

The solution to the trick is to simply trim the top of a card and placing it in front of a card that the magician chose ahead of time. Because of the small gap, the chosen card ends up being revealed longer than other cards to the person as the deck is being rippled. That slight increase in visibility makes it much more memorable, subtly nudging the person towards choosing it.

As simple as the trick may be, it highlights how often we are under the illusion of choice. As much as we hate to admit it, we are quite susceptible to suggestion and persuasion. This is the basis of subliminal messaging, hypnosis and many types of mentalism (magic tricks involving manipulation of the mind). When we make a choice, how do we know that it comes purely from our own free will and volition?

Take for example the phenomenon of fake news. One of the dangers of fake news is that by using provocative, misleading headlines and summaries, it grabs our attention and leaves an impression. This means that unless we are vigilant about fact-checking and reading news from reputable sources, we can easily be manipulated into thinking or acting in a way that benefits those who released the fake news. The results of this may range from benign, such as persuading you to choose a certain brand of product over another, to something as sinister as affecting how you vote in an election or creating discord amongst the population of a country.

The field of psychology constantly reminds us of how flawed our minds are, with its numerous cognitive biases and ways it can be manipulated. We must be constantly aware of this fact to prevent ourselves from falling victim to those who try to take advantage of our thoughts and actions.

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