However, due to the guaranteed high jackpot, slot machines are designed and programmed to pay out much less often to cover the high prize on offer.
Add these to what we perceive as a relatively small initial stake and you have the perfect recipe to encourage play. Slot machines encourage players with the flashing light display, arcade sounds and the chance of a big jackpot all these can have a psychological effect on the player. Many gambling addicts are addicted to slot machines – or at least for many that is their first experience of gambling.