Addiction - Explanations for Gambling Addiction Flashcards

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1
Q

What are the key features of the learning theory as an explanation for gambling addiction?

A
  • vicarious reinforcement can be the start of an addiction
  • direct reinforcement can be positive or negative
  • partial reinforcement more effective than continuous
  • variable reinforcement schedule is the most effective
  • variable reinforcement is very resistant to extinction
  • cue reactivity explains how associated stimuli can trigger gambling
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2
Q

How can vicarious reinforcement be the start of an addiction?

A

One way in which people begin gambling is through seeing others being rewarded for gambling (e.g. seeing someone else enjoying money and sometimes winning money).

Vicarious reinforcement can also be through newspaper articles reporting big wins (e.g. on the National Lottery).

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3
Q

How can direct reinforcement be positive or negative?

A

Positive reinforcement comes from a direct gain (e.g. winning money), and from the ‘buzz’ that accompanies a gamble (which is exciting).

Negative reinforcement occurs because gambling can offer a distraction from aversive stimuli (e.g. the anxieties of everyday life).

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4
Q

How is partial reinforcement more effective than continuous?

A

Skinner’s research with rats found that continuous reinforcement schedules do not lead to persistent behaviour change. Once the rewards stop, the behaviour quickly disappears (called extinction).

A partial reinforcement schedule leads to more persistent behaviour change. When only some bets are rewarded, there is an unpredictability about which gambles will pay off, which is enough to maintain the gambling.

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5
Q

How is variable reinforcement the most effective?

A

A variable (ratio) reinforcement schedule is a partial reinforcement schedule where the intervals between rewards vary. This kind of reinforcement schedule is highly unpredictable.

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6
Q

How is variable reinforcement very resistant to extinction?

A

Whilst it takes longer for learning to be established if the reinforcement schedule is variable, once it is established it is more resistant to extinction.

The gambler learns that they will not win with every gamble, but they will eventually win if they persist (and then the gambling is reinforced).

This explains why some people continue to gamble despite big losses.

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7
Q

How does cue reactivity explain how associated stimuli can trigger gambling?

A

In the course of their gambling, an individual will experience many secondary reinforcers - things they associate with the exciting arousal experienced through gambling.

These cues can both maintain gambling and cause its reinstatement after a period of abstinence.

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8
Q

What are the strengths of the learning theory as an explanation for gambling addiction?

A
  • research support

- explains failure to stop gambling

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9
Q

What are the weaknesses of the learning theory as an explanation for gambling addiction?

A
  • lack of explanatory power
  • individual differences
  • doesn’t explain all aspects of gambling
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10
Q

What research support is there for the learning theory as an explanation for gambling addiction?

A

Dickerson (1979) found high-frequency gamblers in natural settings were more likely than low-frequency gamblers to place bets in the last two minutes before a race.

These gamblers may delay betting to prolong the rewarding excitement (e.g. the tension they get from the radio commentary heard in the betting shop).

This is evidence for the role of positive reinforcement on gambling behaviour in frequent gamblers in a more ‘real-life’ setting than a psychology lab.

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11
Q

How does the learning theory explain failure to stop gambling?

A

Some people see continued gambling as a moral failure - the person wants to stop but lacks willpower. This can be explained by learning theory because learning occurs in the absence of active decisions.

Thus learning theory is an effective explanation of a common phenomenon - how gamblers fail to stop gambling whilst at the same time being determined to do so.

Their conscious desire to give up conflicts with the motivational forces acquired through conditioning that drive them to continue gambling.

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12
Q

How does the learning theory of gambling addiction lack explanatory power?

A

Learning theory explains some types of gambling better than others. Fruit machine gambling is dependent on chance and rewards are temporarily contiguous (no delay between the bet and the outcome).

In contrast, gambling games like poker require an element of skill and there is greater delay between the bet and knowing the outcome; this is more difficult to explain in terms of conditioning.

Therefore, learning theory lacks explanatory power because it does not provide a general explanation of all gambling addiction.

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13
Q

How are individual differences a weakness of the learning theory as an explanation for gambling addiction?

A

Griffiths and Delfabbro (2001) argue that people do not respond in the same ways to conditioning even when using identical stimuli.

Some people gamble to relax, some to be aroused. Some people stop gambling and never relapse but some are more vulnerable to cues.

These observations are difficult to explain for learning theory without invoking cognitive features of addiction such as distortions in thinking.

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14
Q

How does the learning theory not explain all aspects of gambling?

A

Gambling addiction is multifaceted. Psychologists have tried to use learning theory to understand the cycle of gambling addiction from initiation, through maintenance to cessation and relapse.

Conditioning processes may be less important at some points. Brown (1987), for example, suggests learning theory can explain the persistence of gambling behaviour but not its start.

This means that it is not a complete explanation for the cycle of gambling behaviour.

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15
Q

What are the key features of the cognitive theory as an explanation for gambling behaviour?

A
  • expectancy theory (expected benefits outweigh costs)
  • cognitive biases (selective processing of information)
  • four different categories of cognitive bias
  • relapse occurs due to a lack of self-efficacy
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16
Q

What is the expectancy theory?

A

We all have expectations about the future benefit and costs of our behaviour. If people expect the benefits of gambling to outweigh the costs, then addiction becomes more likely.

This sounds like a conscious decision but it is not. This is because memory and attention processes do not operate in a rational and logical manner.

17
Q

How can cognitive biases lead to gambling addiction?

A

The cause of gambling addiction lies in the fact that addicts hold beliefs about gambling that are irrational (i.e. cognitive biases).

Such cognitions may involve attention and/or memory processes - addiction occurs and is maintained due to the selective attention to and memory of gambling-related information.

18
Q

What are the four different categories of cognitive bias?

A

Rickwood et al. (2000) categorised them thus:

  1. Skill and judgement - gambling addicts have an illusion of control and overestimate their skill against chance.
  2. Personal traits/ritual behaviours - addicts believe they are especially lucky or engage in superstitious behaviour.
  3. Selective recall - gamblers remember their wins but ignore/forget their losses.
  4. Fault perceptions - gamblers have distorted views of chance (e.g. belief that a losing streak cannot last).
19
Q

What is self-efficacy?

A

Self-efficacy refers to the belief we have in our own competence to achieve a desired outcome.

An individual resumes gambling because he/she does not believe they are capable of giving it up.

The relapse then reinforces their lack of self-efficacy, “I told you I couldn’t give it up.”

20
Q

Procedure

Griffiths (1994) Cognitive Biases

A

The study used the ‘thinking aloud’ method (a form of introspection) to investigate differences between regular slot machine gamblers and occasional users.

Content analysis was used to classify their utterances into rational or irrational.

Interviews were also used to explore participants’ perceptions of the skill required to win.

21
Q

Findings

Griffiths (1994) Cognitive Biases

A

Regular gamblers made almost six tmes as many irrational verbalisations. Regular gamblers were also prone to illusion of control and overestimated the skill required to win.

22
Q

What are the strengths of the cognitive theory as an explanation for gambling addiction?

A
  • evidence supporting cognitive theory
  • cognitive theory can explain automatic behaviour
  • development of real-life applications
23
Q

What are the weaknesses of the cognitive theory as an explanation for gambling addiction?

A
  • existence of individual differences

- methodological issues

24
Q

What evidence is there to support the cognitive theory?

A

Michalczuk et al. (2011) compared addicted gamblers with a non-gambling control group. The addicted gamblers had significantly higher levels of gambling-related cognitive distortions.

They were also more impulsive and were more likely to prefer immediate rewards, even if the rewards were smaller than those they could gain if they waited.

These findings support the view that there is a strong cognitive component to gambling addiction.

25
Q

How can the cognitive theory explain automatic behaviour?

A

McCusker and Gettings (1997) asked participants to complete a modified Stroop procedure. Participants had to pay attention to ink colour while ignoring word meanings.

Gamblers took longer to do this compared to a control group when gambling words were shown. This suggests gamblers have an automatic cognitive bias to pay attention to such information.

This supports the view of cognitive the explanation that many cognitive biases influence addiction and operate without us even being aware we have them.

26
Q

What real-life applications have been developed due to the cognitive theory as an explanation for gambling addiction?

A

Many aspects of gambling are related to distorted thinking (e.g. gambler’s fallacy or the significance gamblers put on a near-miss). This means CBT could be useful.

Clarke (2010) suggests that cognitive distortions probably have an underlying cause in brain neurochemistry, raising the prospect of drug treatment.

So cognitive theories are stimulating beneficial research into both biological and psychological treatments.

27
Q

How are individual differences a weakness of the cognitive theory as an explanation for gambling addiction?

A

Burger and Smith (1985) found that people with high levels of control motivation (wished to have control over their lives) were more likely to believe they could influence chance-determined situations.

It may be that such people are attracted to certain types of gambling where they (wrongly) believe their ‘skill’ can make a difference.

Such individual differences in personality mean that cognitive biases alone cannot explain all gambling.

28
Q

What methodolical issues are there to research into the cognitive theory as an explanation for gambling addiction?

A

Many research studies into cognitive distortions in gambling access the thinking processes of gamblers through self-report methods such as introspection.

Dickinson and O’Conner (2006) state that what people say in gambling situations may not be representative of deeply-held beliefs.

This is a serious problem for the validity of the research and therefore the theory which is based on that evidence.