Slot Machine Design Psychology

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  2. How Casinos Use Design Psychology to Get You to Gamble More. Rather than catch gamblers in a spiderweb of slot machines, a situation that risked breeding anxiety, casinos should seduce them.
  3. Andrew Thompson in Engineers of Addiction, a fascinating profile on the psychology of slot machines. Game slot machine designers are charged with somehow summoning the ineffable allure of electronic spectacle — developing a system that is both simple and endlessly engaging, a machine to pull and trap players into a finely tuned cycle of risk and reward that keeps them glued to the seat.
  1. Slot Machine Design Psychology Definition
  2. Slot Machine Design Psychology 4th Edition
  3. Slot Machine Design Psychology 14th Edition

Ever wondered why slot machines are so addictive? You’re not alone. But it’s not all fun and games - there’s science behind it. So we’ve dug a little deeper to discover the psychology behind the design, and the draw, of slots…

Slot Machine Player Psychology. By David Newstead. Tags: david newstead. Slot machines are sometimes referred to as the crack cocaine of the gambling world. These games offer.

System

Behavioral intelligence systems track habits. In return, players receive points, making it more enticing.

Fragrance / smell

Fragranced areas provide a 45% increase in coin-in at slots. Meaning players stick around longer.

Machine speakers

Background noise from the casino is kept out by the use of ‘sound cones’ on the speakers, encouraging focus.

The pull-to-refresh

The pull-to-refresh and infinite scrolling mechanism hold similar traits to our social media news feeds.

Machine screen

High-res screens with soft pixels help to reduce eye fatigue and are at a 38-degree angle for comfort.

Slot machine design psychology software
Inserting money

Real-life monetary values are hidden to disguise financial losses and avoid putting people off playing.

Characteristics similar to Social Media

The slots lever is similar to scrolling on apps as you immediately receive a reward or nothing at all.

Characteristics similar to dating apps

Tinder executive Jonathan Badeen said that the idea for swiping features was based on an a casino concept.

Rewards, Uncertainty & Dopamine

Dopamine, the neurotransmitter released by the brain during enjoyable activities is present when playing slots.

Rewards

Just like other forms of gambling, the uncertainty over when you you’ll be rewarded keeps us coming back.

Seats

Ergonomic seats: these vibrate to game outcomes and help with circulation, allowing you sit for hours. Smart.

Themes

Designers borrow themes from popular TV shows and movies to attract specific demographics and age groups.

Positioning

Placing slots close to each other, but far from other games, creates an intimate, social group environment.

Colors

The use of colours in casinos can illicit feelings; red for excitement, blue for trust and green for wealth.

Buttons

Slot buttons are designed to be within easy reach and on curved consoles, so you can play effortlessly.

Slot Machine Design Psychology Definition

Sound

Sounds that indicate winning or success can create the false impression that there’s no losing going on.

I spent part of last week on vacation from science in Las Vegas, where I thankfully avoided financial ruin due to some fortunate combination of genes, math awareness and a wife that has no interest in gambling. Sure, I dabbled a bit in games of chance, but as soon as I got a little bit ahead on the blackjack tables I ran for my life, knowing that the probability would even out hard in the long run. For those concerned about the financial well-being of Sin City, they still managed to turn a profit on us, thanks to the low-return temptations of fine dining and French circus acts set to Beatles megamixes. But most of our time was spent on the free entertainment of people-watching and stuff-watching, observing row after row of people almost hypnotically at work on loud, noisy slot machines amid fake New York, Paris and Venice scenery.

It doesn’t take a PhD in neurobiology to conclude that slot machines are designed to lure people into a money-draining repetition, just as it doesn’t take expertise in the casino business to realize slots are absurdly profitable – there’s a reason why they outnumber table games 100-to-1. But I wanted to go back to the scientific literature to confirm a faint glimmer of information I retained from graduate school, specifically that slot machines are masterful manipulators of our brain’s natural reward system. Every feature – the incessant noise, the flashing lights, the position of the rolls and the sound of the coins hitting the dish – is designed to hijack the parts of our brain designed for the pursuit of food and sex and turn it into a river of quarters. Or so I remember.

Slot Machine Design Psychology

Fortunately, there is a robust amount of research into why slot machines are so addictive, despite paying out only about 75% of what people put in. They are, some scientists have concluded, the most addictive of all the ways humans have designed to gamble, because pathological gambling appears faster in slots players and more money is spent on the machines than other forms of gambling. In Spain, where gambling is legal and slot machines can be found in most bars, more than 20.3 billion dollars was spent on slots in 2008 – 44% of the total money spent by Spaniards on gambling last year.

That data was published earlier this month by a psychologist from the Universidad de Valencia named Mariano Choliz in the Journal of Gambling Studies. Yes, such a publication exists! In the background of the paper, Choliz outlines the tricks that slot machines use to keep people feeding them:

  • Operating on a random payout schedule, but appearing to be a variable payout; i.e. fooling the player into thinking that the more money they play, the more likely they are to win.
  • “The illusion of control” in pressing buttons or pulling a lever to produce the outcome.
  • The “near-miss” factor (more on this below)
  • Increased arousal (where the sounds and flashing lights come in)
  • Able to be played with very little money; the allure of “penny” slots.
  • And perhaps most importantly, immediate gratification.

This last point is the subject of Choliz’s experiment, which puts a group of ten pathological gamblers in front of two different slot machines. One machine produces a result (win or lose) 2 seconds after the coin was virtually dropped (it was computer program), the other delayed the result until 10 seconds after the gambler hit play. In support of the immediate gratification theory, gamblers played almost twice as long on the 2-second machines than they did on the 10-second machines…even though the 10-second machines paid out more money on average!

Choliz concluded that the immediacy of the reward was part of what kept people at slot machines, making them so addictive. The quick turnaround between action and reward also allows people to get into a repetitious, uninterrupted behavior, which Choliz compares to the “Skinner boxes” of operant conditioning – the specialized cages where rats hit a lever for food or some other reward. It seems like a cruel comparison, but after my three days walking through the casinos, not an inaccurate one.

Slot Machine Design Psychology 4th Edition

Another trick up the slot machine’s sleeve was profiled earlier this year by a group of scientists from the University of Cambridge. In the journal Neuron, Luke Clark and colleagues examined the “near-miss” effect, the observation that barely missing a big payout (i.e. two cherries on the payline while the third cherry is just off) is a powerful stimulator of gambling behavior.

The Cambridge researchers put their subjects in an fMRI machine to take images of their brains while they played a two-roll slot machine game. When the players hit a match and won money, the reward systems of the brain predictably got excited – the activation of areas classically associated to respond to food or sex I mentioned earlier. When players got a “near-miss,” they reported it as a negative experience, but also reported an increased desire to play! That feeling matched up with activation of two brain areas commonly associated with drug addiction: the ventral striatum and the insula (smokers who suffer insular damage suddenly lose the desire to smoke).

Slot Machine Design Psychology

Clark and co. conclude that near-misses produce an “illusion of control” in gamblers, exploiting the credo of “practice makes perfect.” If you were learning a normal task such as hitting a baseball, a “near-miss” foul ball would suggest that you’re getting closer – it’s better than a complete whiff, after all. But for a slot machine, where pulling the lever has no impact on the rolls other than to start them moving and start the internal computer calculating, a “near-miss” is as meaningless as any miss.

Slot Machine Design Psychology 14th Edition

Nevertheless, it’s this type of “cognitive distortion,” as Clark and colleagues name it, that makes slot machines such effective manipulators of our brains. Those massive, gaudy casino-hotels that I wore out a pair of shoes strolling through last week weren’t just built on a crafty use of probability, they were built on a exploitation of brain functions we are only just beginning to understand.