17.1.5

Cognitive Bias

Test yourself

Explaining Gambling Addiction Through Cognitive Biases

Cognitive biases are distortions in thinking that cause a person to have a warped perspective on reality. These distortions in thinking can be used to explain gambling addiction.

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Cognitive biases

  • Mental errors, distortions in thinking and deviations from normal thinking patterns are all forms of cognitive biases.
  • These result in a person having a warped view of reality and causes a person to make faulty judgements and decisions.
  • People tend to simplify things to a few rules of thumb and make bad decisions as a result.
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Awareness

  • Think of cognitive distortions like optical illusions: you know that the optical illusion is there, but sometimes you cannot see past it.
  • This is the same with cognitive distortions: some people know that they have them, but they have difficulty in overcoming them.
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Gambling

  • Gamblers can have cognitive distortions.
  • A common one would be that they believe the probability of future events is based on past events.
    • For example, a craps player rolling a dice believes that because they have not rolled any 6s, they will roll a 6 in the next few rolls.

Wagenaar (1988)

In 1988, Wagenaar outlined 16 rules that the majority of gamblers used when they made decisions. Six of them are described here.

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Illusion of control

  • Gamblers believe that they have more skill than the normal person, even in games of chance.
    • For example, they believe in a craps game when they personally roll the dice a certain way, they are more likely to win.
  • This creates unnaturally high expectations of winning.
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Gambler’s fallacy

  • Every gambler will go through a losing streak, but they believe that the losing streak will come to an end.
  • Even if the losing streak is long, they believe then that it is more likely to come to an end.
  • A famous example happened in Monte Carlo Casino in 1913.
    • In a game of roulette, the ball landed on black 26 times in a row.
    • Players lost huge sums of money betting against black because they believed a red streak should follow.
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Sunk cost bias

  • Gamblers spend an inordinate amount of money on gambling, known as ‘sinking money’ into gambling.
  • So because they have sunk a lot of much money, they want to keep gambling to win and get a return on their investment.
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Representative bias

  • Gamblers tend to think that random events, like the tossing of a coin or rolling of a dice, should look random.
    • For example, flipping a coin and landing on heads should then lead to a higher chance of a streak of tails.
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Illusory correlations

  • Most gamblers have superstitious acts that give them an illusion between the act and winning.
    • For example, holding the dice in their right hand and never the left. Or blowing on the dice to roll an eight.
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Fixation on absolute frequency of successes

  • Gamblers, obviously, gamble a lot. So they will win more than people who do not gamble.
  • Gambler’s tend to focus on the absolute number of wins (‘I won 10 times’) rather than the percentage of wins (they won 10 times out of 100, 10%).

Jump to other topics

1Social Influence

2Memory

3Attachment

4Psychopathology

5Approaches in Psychology

6Biopsychology

7Research Methods

8Issues & Debates in Psychology (A2 only)

9Option 1: Relationships (A2 only)

10Option 1: Gender (A2 only)

11Option 1: Cognition & Development (A2 only)

12Option 2: Schizophrenia (A2 only)

13Option 2: Eating Behaviour (A2 only)

14Option 2: Stress (A2 only)

15Option 3: Aggression (A2 only)

16Option 3: Forensic Psychology (A2 only)

17Option 3: Addiction (A2 only)

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