criminological psychology

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Criminological Psychology Charlton et al 2000: St. Helena study

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Criminological Psychology. Charlton et al 2000: St. Helena study. In the exam, you may be asked to describe and evaluate a study other than Loftus & Palmer’s Therefore, the Learning Outcomes for this session are that you will be able to: describe Charlton et al’s study (APRC) - PowerPoint PPT Presentation

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Page 1: Criminological Psychology

Criminological Psychology

Charlton et al 2000: St. Helena study

Page 2: Criminological Psychology

In the exam, you may be asked to describe and evaluate a study other than Loftus & Palmer’s

Therefore, the Learning Outcomes for this session are that you will be able to:

describe Charlton et al’s study (APRC) evaluate* the study (GRAVE) *make at least 2 positive and 2 negative

evaluation points This relates to the AC in the spec, section 4a,

page 44

Page 3: Criminological Psychology

The Island of St. Helena is … One of the most isolated islands in the South

Atlantic Ocean 2000km from mainland Africa Only accessible by boat A small, close-knit community where everyone

knows each other And has approx. 5000 inhabitants (1000 children

of school age)

Page 4: Criminological Psychology

The study … Background - before March 1995, the

island of St Helena had no access to television

Charlton and his colleagues began their study in 1993 (2 years before television was introduced to the island)

This was a natural (field) experiment, where the independent variable (TV) was happening naturally and not manipulated by the experimenter

Page 5: Criminological Psychology

The study … Aim: to investigate the effects of

television on children’s behaviour, particularly on pro-social and anti-social behaviour

Page 6: Criminological Psychology

Pro-social behaviour is ...

... that which is intended to help others; it is characterized by a concern about the rights, feelings and welfare of other people

Anti-social behaviour is ... ... behaviour which lacks consideration for

others and may cause damage to the society, whether intentionally or through negligence

Page 7: Criminological Psychology

The study … Procedure: This was a cross-sectional design Researchers studied the playground

behaviour of a random selection of schoolchildren (aged 3-8 years), from 2 of the island’s largest schools

Video recorders were set up in the playgrounds of the schools four months prior to the introduction of television and once again five years later

Page 8: Criminological Psychology

The study … Procedure: The children’s free play during break times

was recorded for a two-week period each time and researchers compared the findings to establish whether or not behaviour had changed as a result of television being introduced

Playground behaviours were categorised as such:

Pro-social – pro-social gestures/verbal comments; sharing, turn-taking and helping; displaying affection or consoling others; holding hands/arm-in-arm

Anti-social – anti-social gestures/verbal comments; kicking, hitting, punching; seizing/damaging property; non-compliant holding/forcing

Page 9: Criminological Psychology

The study …

Procedure: Independent researchers in the UK

watched the video footage and tallied the number of times children/groups of children displayed these behaviours

Two researchers watched the same video footage alone as many times as necessary and only agreed tallied behaviours were recorded in the results

Page 10: Criminological Psychology

The study … Results: Of 64 comparisons made between the

behaviour of children at the start and the end of the study, only nine were statistically significant:

Two showed decreases in anti-social behaviour amongst boys

Five showed increases in pro-social behaviour

Two showed decreases in pro-social behaviour in boys

Page 11: Criminological Psychology

The study …Results:Boys tended to display less

hitting and pushing after television was introduced, but were also less willing to help and show affection

Both boys and girls showed significant increases in pro-social behaviour overall

Page 12: Criminological Psychology

The study …

Conclusion ... The introduction of television had no

negative effect on children’s behaviour – in fact, quite the reverse!

This finding shows longer-term effects and challenges the findings of most of the laboratory research into the effects of TV on children’s behaviour

Page 13: Criminological Psychology

Evaluation ... Strengths: The findings are high in ecological validity

because the children were observed in their natural environment; video cameras were hidden, so the children would have played naturally

Use of video recordings prevented researcher bias and observer fatigue; because the recordings were watched by two different researchers separately and agreed behaviours only were recorded, there was inter-rater reliability (this eliminates subjective interpretation of the behaviours)

Page 14: Criminological Psychology

Evaluation ... Limitations: The children’s viewing habits (types of

programmes, hours of watching, etc.) were not analysed*, so it is difficult to assign any behaviour changes to the effects of watching TV

The culture of parental control and close supervision on the island may have inhibited the children from imitating behaviour seen on the screen

* Later research revealed that the types of programmes watched were different than those shown on the mainland; children’s programmes containing aggression were not broadcast